Do not reverse rewrite the webtorrent URL when query string is not HT…

[yrliou]

…TP/HTTPS URL.

Resolves brave/brave-browser#9159

Submitter Checklist:

• Submitted a ticket for my issue if one did not already exist.
• Used Github auto-closing keywords in the commit message.
• Added/updated tests for this change (for new code or code which already has tests).
• Verified that these changes build without errors on
  • Android
  • iOS
  • Linux
  • macOS
  • Windows
• Verified that these changes pass automated tests (unit, browser, security tests) on
  • iOS
  • Linux
  • macOS
  • Windows
• Verified that all lint errors/warnings are resolved (npm run lint)
• Ran git rebase master (if needed).
• Ran git rebase -i to squash commits (if needed).
• Tagged reviewers and labelled the pull request as needed.
• Request a security/privacy review as needed.
• Add appropriate QA labels (QA/Yes or QA/No) to include the closed issue in milestone
• Public documentation has been updated as necessary. 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-issues-with-tracking-protection
  • https://github.com/brave/brave-browser/wiki/QA-Guide

Test Plan:

1. Access https://webtorrent.io/torrents/sintel.torrent to make sure webtorrent is enabled and loaded.
2. Open a new tab and put chrome-extension://lgjmpdmojkpocjcopdikifhejkkjglho/extension/brave_webtorrent.html?chrome://settings/ in the URL bar, then click enter.
3. A blank webtorrent extension page should be shown and URL stays the same as the URL in step 2.
4. Open a new tab and put chrome-extension://lgjmpdmojkpocjcopdikifhejkkjglho/extension/brave_webtorrent.html?brave://rewards/ in the URL bar, then click enter.
5. A blank webtorrent extension page should be shown and URL stays the same as the URL in step 4.

Reviewer Checklist:

• New files have MPL-2.0 license header.
• Request a security/privacy review as needed.
• Adequate test coverage exists to prevent regressions
• Verify test plan is specified in PR before merging to source

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.

[feross]

LGTM

[feross]

@yrliou Thank you for completing this!

[yrliou]

CI was all green in https://ci.brave.com/job/pr-brave-browser-fix_webtorrent_reverse_rewrite/1//flowGraphTable/?auto_refresh=true, but timed out on android, so I'm going to apply skip CI labels on other platforms to retry android.

[yrliou]

Android passed after retried, merging.