chore: Begin introducing patterns for Multichain AssetList

[gambinish]

Description

This PR introduces some non-breaking patterns from #28386

The idea is to introduce this as a smaller PR to reduce the diff in #28386 to make it easier to review

Related issues

Fixes: N/A

Manual testing steps

App should be fully functional with no regressions

Screenshots/Recordings

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

Builds ready [f9fa8da]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1787 ± 61 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1649	2352	1799	143	69
		domContentLoaded	1640	2178	1758	114	55
		load	1651	2267	1787	127	61
		domInteractive	16	74	40	14	7
		backgroundConnect	8	97	31	23	11
		firstReactRender	45	282	108	56	27
		getState	5	59	17	20	9
		initialActions	0	0	0	0	0
		loadScripts	1183	1572	1287	85	41
		setupStore	5	47	11	12	6
		uiStartup	1836	2592	2021	167	80

Bundle size diffs [🚨 Warning! Bundle size has increased!]

• background: 0 Bytes (0.00%)
• ui: 233 Bytes (0.00%)
• common: 153 Bytes (0.00%)

[darkwing]

Testing and all works great!

[metamaskbot]

Builds ready [25c27ea]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1698 ± 37 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	222	1997	1500	520	250
		domContentLoaded	1530	1903	1680	73	35
		load	1538	1921	1698	77	37
		domInteractive	24	75	46	12	6
		backgroundConnect	7	64	21	19	9
		firstReactRender	45	208	94	42	20
		getState	4	61	14	19	9
		initialActions	0	1	0	0	0
		loadScripts	1112	1371	1218	55	26
		setupStore	5	67	16	19	9
		uiStartup	1723	2155	1916	129	62

Bundle size diffs [🚨 Warning! Bundle size has increased!]

• background: 0 Bytes (0.00%)
• ui: 265 Bytes (0.00%)
• common: 153 Bytes (0.00%)

[metamaskbot]

Builds ready [572f998]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1911 ± 72 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	1658	2283	1915	148	71
		domContentLoaded	1647	2118	1880	127	61
		load	1658	2306	1911	150	72
		domInteractive	29	257	60	48	23
		backgroundConnect	9	194	33	41	20
		firstReactRender	88	282	122	44	21
		getState	5	102	14	23	11
		initialActions	0	1	0	0	0
		loadScripts	1201	1607	1388	101	49
		setupStore	6	77	13	19	9
		uiStartup	1869	2831	2180	233	112

Bundle size diffs [🚨 Warning! Bundle size has increased!]

• background: 0 Bytes (0.00%)
• ui: 265 Bytes (0.00%)
• common: 153 Bytes (0.00%)

[metamaskbot]

Builds ready [bc2f132]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7
  • common: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (2138 ± 73 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	341	2396	2050	422	203
		domContentLoaded	1924	2380	2106	143	69
		load	1941	2395	2138	152	73
		domInteractive	33	87	57	18	9
		backgroundConnect	8	76	28	23	11
		firstReactRender	94	213	132	32	15
		getState	7	67	24	21	10
		initialActions	0	1	0	0	0
		loadScripts	1389	1743	1552	117	56
		setupStore	7	60	14	13	6
		uiStartup	2181	2915	2405	198	95

Bundle size diffs [🚨 Warning! Bundle size has increased!]

• background: 0 Bytes (0.00%)
• ui: 265 Bytes (0.00%)
• common: 153 Bytes (0.00%)