[6.0] Replace dialog GIF loader with SVG loader

[Fedik]

Pull Request for Issue #44232 .

Summary of Changes

Alternative to #44232

Testing Instructions

Please follow #44232

Actual result BEFORE applying this Pull Request

Loader looks not very good

Expected result AFTER applying this Pull Request

Loader looks good

Link to documentations

Please select:

• Documentation link for docs.joomla.org:
• No documentation changes for docs.joomla.org needed
• Pull Request link for manual.joomla.org:
• No documentation changes for manual.joomla.org needed

[exlemor]

I have tested this item ✅ successfully on a868df9

I have tested this successfully :). Thanks @Fedik - looks beautiful in Dark Mode :D

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[krishnagandhicode]

I have tested this item ✅ successfully on a868df9

I have tested this successfully

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[exlemor]

Congratulations @krishnaGandhi11 on your first PR test - now you no longer need my help you are good to go on your own. :)

[QuyTon]

RTC

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[brianteeman]

Does this resolve the open issues #31078 and #30099

[softforge]

Thanks @Fedik for your work on this and to the testers who put in the time.
Could you please take a look at the comment from Brian
Does this resolve the open issues #31078 and #30099

[Fedik]

Does this resolve the open issues #31078 and #30099

No, this PR only for Joomla Dialog when "Dark mode" is active