12189 remove i18next from studio components

[ghost]

Description

• Removing i18next from the @studio/components folder.
• Adding unique texts for loading spinners and close modal buttons.

Related Issue(s)

• Remove dependencies on I18next from the components package #12189

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (4f0a8b0) 86.69% compared to head (78e214f) 86.68%.

Files	Patch %	Lines
...es/appPublish/components/deploy/DeployDropdown.tsx	0.00%	1 Missing ⚠️
...evelopment/features/simpleMerge/ResetRepoModal.tsx	0.00%	0 Missing and 1 partial ⚠️
...components/StudioPageSpinner/StudioPageSpinner.tsx	0.00%	1 Missing ⚠️
...tor-v3/src/components/config/EditFormComponent.tsx	0.00%	0 Missing and 1 partial ⚠️
...editor/src/components/config/EditFormComponent.tsx	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #12354      +/-   ##
==========================================
- Coverage   86.69%   86.68%   -0.01%     
==========================================
  Files        1198     1200       +2     
  Lines       18050    18053       +3     
  Branches     2288     2288              
==========================================
+ Hits        15648    15650       +2     
- Misses       2120     2121       +1     
  Partials      282      282              

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[framitdavid]

Great work here! Should we take the opportunity to increase test coverage in areas that are not tested here? 😊 It would also help with housekeeping. 👏