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

```diff @@ 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.