fix: Add more RTL improvements

[fsbraun]

Description

This PR should improve admin stying further for RTL languages

• Login panel
• Tables
• Changelist
• Forms
• Filer widgets

@sakhawy Can you give it a manual test run?

Related resources

• #525
• #...

Checklist

• [x] I have added or modified the tests when changing logic
• [x] I have followed the conventional commits guidelines to add meaningful information into the changelog
• [x] I have read the contribution guidelines

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (8edbd66) to head (4bede97).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #526   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           33        33           
  Branches         3         3           
=========================================
  Hits            33        33           

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[fsbraun]

@sakhawy Thanks for the excellent feedback. I fixed most issues

• Icons is reverted
• floats now make sense (I hope)

The filer issues probably need to be fixed in the filer repo itself - probably both css and js.