feat(wallet): add transaction review screen for ETHSwap

[onyb]

Resolves brave/brave-browser#24860

Slight design variations from the Figma spec were done after internal discussions with product/design.

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, npm run lint, 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

Demo:

Screen.Recording.2022-08-23.at.02.16.57.mov

Test plan

Create a swap transaction for the following cases, and it should accurately display the maker/taker assets and amounts involved in the swap as seen in the demo above:

Networks: (mainnet only)

• Ethereum
• Polygon
• BSC
• Optimism
• Celo (not verified)
• Fantom (not verified)
• Avalanche (not verified)

Pairs:

• ETH -> ERC20
• ERC20 -> ETH
• ERC20 -> ERC20

Verify in the screenshot that the correct asset logos and the corresponding network are appropriately displayed.

[brave-builds]

A Storybook has been deployed to preview UI for the latest push

[brave-builds]

A Storybook has been deployed to preview UI for the latest push

[Douglashdaniel]

LGTM!

[brave-builds]

A Storybook has been deployed to preview UI for the latest push