Replace span with BrowserButton on urlbar.js, etc.

[luixxiul]

by replacing form with div. Input element does not have to have form as a parent.

Closes #8457
Closes #11111
Follow-up to #8410

Auditors: @cezaraugusto

Test Plan for #8457:

1. Run npm run test -- --grep='can selectively allow scripts'
2. disable scripts on twitter.com. the lock icon should not disappear
3. click noscript icon
4. open browser console. you should not see any CSP errors.

Test Plan for #11111

1. Open brave.com
2. Enable NoScript
3. Enable an extension
4. Make sure NoScript button, the extension button, and publisher button is not draggable

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).
• Ran git rebase -i to squash commits (if needed).
• Tagged reviewers and labelled the pull request as needed.

Test Plan:

Reviewer Checklist:

Tests

• Adequate test coverage exists to prevent regressions
• Tests should be independent and work correctly when run individually or as a suite ref
• New files have MPL2 license header

[codecov-io]

Codecov Report

Merging #11110 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #11110      +/-   ##
==========================================
- Coverage    53.4%   53.35%   -0.05%     
==========================================
  Files         251      251              
  Lines       21760    21760              
  Branches     3405     3405              
==========================================
- Hits        11620    11611       -9     
- Misses      10140    10149       +9

Flag	Coverage Δ
#unittest	53.35% <ø> (-0.05%)	⬇️

Impacted Files	Coverage Δ
app/renderer/components/common/browserButton.js	69.04% <ø> (ø)	⬆️
.../renderer/components/navigation/publisherToggle.js	98.36% <ø> (ø)	⬆️
js/stores/appStoreRenderer.js	91.17% <0%> (-8.83%)	⬇️
app/renderer/components/reduxComponent.js	84.37% <0%> (-6.25%)	⬇️
js/stores/windowStore.js	27.45% <0%> (-0.31%)	⬇️