[4.0] fix Media Manager hidden alerts

[dgrammatiko]

Pull Request for Issue #30880 #29152.

Summary of Changes

Fixes hidden notification on multiple file uploads

Testing Instructions

As in the issue

Actual result BEFORE applying this Pull Request

Expected result AFTER applying this Pull Request

Documentation Changes Required

[Quy]

I have tested this item ✅ successfully on 763854e

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[dgrammatiko]

It fails while mass upload and mass deletion as well

That's unrelated to this PR

[dgrammatiko]

@saumyasarkar11 how did you tested this PR?

You need to run npm ci

[saumyasarkar11]

I have tested this item ✅ successfully on 763854e

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_{This comment was created with the J!Tracker Application at issues.joomla.org/tracker/joomla-cms/32868.}

[saumyasarkar11]

@saumyasarkar11 how did you tested this PR?

You need to run npm ci

Will keep this in mind whenever I see the "NPM Resource Changed" tag from the next time. Thank you @dgrammatiko

[Quy]

RTC

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[drmenzelit]

Thanks