fix: Add RTL support to app heading.

[falghamdi125]

☑️ Resolves

• [Bug] Incorrect margins in app heading for RTL mode #1850

Hello everyone,

This PR adjusts app heading margins and adds support for RTL layouts.

🖼️ Screenshots

🏚️ Before	🏡 After

💡 Note: This pull request is most effective when the Nextcloud-Vue PR:6260 is approved.

Best

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 31.36%. Comparing base (7c22780) to head (edeb5a4).
Report is 55 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1851   +/-   ##
=======================================
  Coverage   31.36%   31.36%           
=======================================
  Files          43       43           
  Lines        1629     1629           
  Branches      110      110           
=======================================
  Hits          511      511           
  Misses       1092     1092           
  Partials       26       26           

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[artonge]

@falghamdi125, sorry, I forgot to ask you to commit and push the build files.

[falghamdi125]

Build files have been added to the commit @artonge

[artonge]

Thanks a lot @falghamdi125 !

We have a Nextcloud Talk instance where we invite Nextcloud contributors to be able to communicate more quickly. If you like, I could give you a guest account via the email address in your commits?

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