[4.0] Fix: Associations tab should display only one Notice when item edited is set to ALL languages

[infograf768]

Pull Request for Issue #20575

Summary of Changes

Modified js to get a unique Notice.

Testing Instructions

Create a multingual site with 3 languages.
Create an article (or any item) with language set to ALL.
save (NOT save and close)
Display the associations tab

Before patch

After patch

@dgrammatiko @chmst

[ghost]

I have tested this item ✅ successfully on 8b8346b

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[infograf768]

I will have to do a new PR for that. But It looks like it's hard to test as I have some issues with core 4.0

[joomla-cms-bot]

Set to "closed" on behalf of @franz-wohlkoenig by The JTracker Application at issues.joomla.org/joomla-cms/21281

[ghost]

closed in favor of #21362

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/21281.}