Use correct block explorer name and link in swaps when on custom network

[danjm]

Fixes an issue found by @tmashuang when QAing v9.3.0

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After:

[github-actions]

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[metamaskbot]

Builds ready [42fa526]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (527 ± 36 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	42	61	49	6	3
		domContentLoaded	339	576	526	74	36
		load	340	576	527	74	36
		domInteractive	339	575	525	74	36

[metamaskbot]

Builds ready [7a5b0dd]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (678 ± 50 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	49	106	67	13	6
		domContentLoaded	414	824	677	105	50
		load	415	825	678	105	50
		domInteractive	414	824	677	105	50

[metamaskbot]

Builds ready [60f1d34]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (561 ± 44 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	45	69	58	8	4
		domContentLoaded	365	673	559	92	44
		load	366	674	561	92	44
		domInteractive	364	673	559	92	44

[metamaskbot]

Builds ready [a731fc9]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (504 ± 47 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	42	64	50	6	3
		domContentLoaded	327	591	503	97	47
		load	328	592	504	97	47
		domInteractive	326	591	503	97	47

[metamaskbot]

Builds ready [bcd4b0a]

• builds: chrome, firefox, opera
• bundle viz: background, ui, inpage, contentscript, ui-libs, bg-libs, phishing-detect
• build viz: Build System
• code coverage: Report
• storybook: Storybook
• all artifacts

Page Load Metrics (594 ± 49 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	45	101	63	12	6
		domContentLoaded	367	786	593	103	49
		load	368	787	594	103	49
		domInteractive	367	786	592	103	49

[Gudahtt]

LGTM!