feat(wallet): show nft section in portfolio

[Pavneet-Sing]

• Fix touch issue on graph for smooth scroll
• Fix portfolio screen UI

Resolves brave/brave-browser#27777

Submitter Checklist:

• I confirm that no security/privacy review is needed, or that I have requested one
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally:
  • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
  • npm run lint, npm run presubmit wiki, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Custom-Headers
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

portfolio-nft.webm

portfolio-nft.webm

Additional Info

SVGs cannot be supported currently, need extra libs to use. Simone will create a separate issue to add support for SVGs.

[simoarpe]

Approving this, code looks good 👍
Nit: I would try to merge the two methods in the ImageLoader.

[SergeyZhukovsky]

++

[srirambv]

Verification passed on Oppo Reno 5 with Android 13 running 1.49.58 x64 build

• Verified steps from PR
• Verified NFT is listed under its own heading in portfolio page
• Verified NFT image/gif is shown on portfolio page
• Verified clicking on NFT loads the NFT details view
• Verified NFT is shown and can be viewed for both Ethereum NFT and Solana NFT
• Verified changing network in network filter updates the NFT view and removes it

16643.mp4