Submission date not in locale format

[QQ7QQ7]

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Describe the bug
It seems that the submission date that is shown in "Results -> Responses" is not affected by the locale that the user has selected.

To Reproduce
Steps to reproduce the behavior:

1. Create a form
2. Submit to the form
3. Change your locale to "German (Germany)"
4. Open the Results of the form
5. Change the view to "Resonses"
6. The submission date is displayed in english

Expected behavior
The submission date should be displayed in the selected locale format.

Screenshots
Submission date in Responses:

Selected locale:

Nextcloud (please complete the following information):

• Nextcloud-Version: 28.0.1
• Forms-Version: 4.0.0

Desktop (please complete the following information):

• OS: Windows 11
• Browser: Microsoft Edge
• Version: 120.0.2210.91

[Chartman123]

@susnux Any idea why nextcloud-moment no longer provides the localized output?

[susnux]

This seems to be related to tree shaking because the locales are not imported for moment thus they are removed. Fixed this on the nextcloud-moment package. See nextcloud-libraries/nextcloud-moment#781