Hide enpass & metamask

[bsclifton]

Fixes #10232

Auditors: @cezaraugusto

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:

1. Visit Preferences > Extensions and verify both extensions are not shown
2. Visit Preferences > Security and verify enpass is not shown

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 #10246 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #10246      +/-   ##
==========================================
- Coverage   52.95%   52.93%   -0.02%     
==========================================
  Files         228      228              
  Lines       20308    20308              
  Branches     3254     3254              
==========================================
- Hits        10754    10750       -4     
- Misses       9554     9558       +4

Flag	Coverage Δ
#unittest	52.93% <ø> (-0.02%)	⬇️

Impacted Files	Coverage Δ
app/renderer/lib/extensionsUtil.js	58.88% <ø> (-1.56%)	⬇️
js/about/preferences.js	42.79% <ø> (+0.11%)	⬆️
js/stores/appStoreRenderer.js	91.17% <0%> (-8.83%)	⬇️

[cezaraugusto]

++

[andrewalker]

May I ask why it was hidden again? I went to all the relevant issues and pull requests (#9546, #7778, #10232) which just link to each other and don't explain anything. Is there a public place where these issues are discussed?

[luixxiul]

Please see #10232 (comment), thanks.