fix: add rtl support to editor

[ihor-romaniuk]

TL;DR -

This pull request contains feature of dynamically adaptation to RLT or LTR side direction.

What changed?

Before	After

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Codecov Report

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

Project coverage is 90.56%. Comparing base (57042c9) to head (c32f30e). Report is 66 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #424 +/- ## ======================================= Coverage 90.55% 90.56% ======================================= Files 227 227 Lines 4120 4122 +2 Branches 831 832 +1 ======================================= + Hits 3731 3733 +2 Misses 369 369 Partials 20 20 ```

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[mphilbrick211]

Hi @ihor-romaniuk! Just flagging that some branch conflicts have popped up.

[ihor-romaniuk]

Hi @mphilbrick211! Resolved, thanks.

[mphilbrick211]

@openedx/teaching-and-learning this is all set for review!

[mphilbrick211]

@openedx/2u-tnl - would someone be able to please review / merge this for us?

[mphilbrick211]

Hi @openedx/2u-tnl! Would someone be able to please review / merge this for us? Thanks!

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@ihor-romaniuk 🎉 Your pull request was merged! Please take a moment to answer a two question survey so we can improve your experience in the future.