feat: add theme palette to AppErrorPage

[juliajforesti]

ARCH-1694

Proposed changes (including videos or screenshots)

Add theme palette to Application error page, following device or browser theme preference

Issue(s)

Steps to test or reproduce

Further comments

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is missing the 'stat: QA assured' label
• This PR is targeting the wrong base branch. It should target 7.9.0, but it targets 7.8.0

Please fix the issues and try again

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[changeset-bot]

🦋 Changeset detected

Latest commit: 6bc9774

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 36 packages

Name	Type
@rocket.chat/meteor	Minor
@rocket.chat/core-typings	Minor
@rocket.chat/rest-typings	Minor
@rocket.chat/uikit-playground	Patch
@rocket.chat/api-client	Patch
@rocket.chat/apps	Patch
@rocket.chat/core-services	Patch
@rocket.chat/cron	Patch
@rocket.chat/ddp-client	Patch
@rocket.chat/freeswitch	Patch
@rocket.chat/fuselage-ui-kit	Major
@rocket.chat/gazzodown	Major
@rocket.chat/http-router	Patch
@rocket.chat/livechat	Patch
@rocket.chat/model-typings	Patch
@rocket.chat/ui-avatar	Major
@rocket.chat/ui-client	Major
@rocket.chat/ui-contexts	Major
@rocket.chat/account-service	Patch
@rocket.chat/authorization-service	Patch
@rocket.chat/ddp-streamer	Patch
@rocket.chat/omnichannel-transcript	Patch
@rocket.chat/presence-service	Patch
@rocket.chat/queue-worker	Patch
@rocket.chat/stream-hub-service	Patch
@rocket.chat/license	Patch
@rocket.chat/omnichannel-services	Patch
@rocket.chat/pdf-worker	Patch
@rocket.chat/presence	Patch
rocketchat-services	Patch
@rocket.chat/models	Patch
@rocket.chat/network-broker	Patch
@rocket.chat/mock-providers	Patch
@rocket.chat/ui-video-conf	Major
@rocket.chat/ui-voip	Major
@rocket.chat/instance-status	Patch

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[github-actions]

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🚀 View preview at https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-36321/
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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 64.78%. Comparing base (93fef88) to head (6bc9774).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #36321      +/-   ##
===========================================
+ Coverage    64.77%   64.78%   +0.01%     
===========================================
  Files         3153     3153              
  Lines       104861   104862       +1     
  Branches     19976    19981       +5     
===========================================
+ Hits         67920    67936      +16     
+ Misses       34254    34240      -14     
+ Partials      2687     2686       -1     

Flag	Coverage Δ
e2e	57.68% <0.00%> (+<0.01%)	⬆️
unit	69.52% <ø> (+0.02%)	⬆️

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