[Improvement]: Set default date time formats on startup based on user locale

[kingjia90]

Related pimcore/pimcore#17137

Draft: check with the timezone related changes that are conflicting
Naming could be improved, something else instead of short/medium?

[markus-moser]

The version preview does not respect the datetimeLocale. Would it be a big challenge to apply it there too?

[kingjia90]

The version preview does not respect the datetimeLocale. Would it be a big challenge to apply it there too?

leaving notes here, thank you for the input, yes, it may be a little tricky but would be doable with some work in the backend with the twig and Carbon, maybe better in a follow up PR

admin-ui-classic-bundle/templates/admin/data_object/data_object/diff_versions.html.twig

Lines 32 to 34 in 9817aa7

	<td>{{ object1.getModificationDate()|date('Y-m-d H:i:s') }}</td>
	{% endif %}
	<td>{{ object2.getModificationDate()|date('Y-m-d H:i:s') }}</td>

[sonarcloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
16.8% Duplication on New Code

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