Thomas Famula

Follow-up of #5075 When approved, this needs to be cherry-picked to release 8.

Hi @alex40724, @mbecker-databay, @smeyer-ilias, due to a new [feature](https://docu.ilias.de/goto_docu_wiki_wpage_4218_1357.html) for the Skill Service, the handling of Skill Trees has changed. There have to be done a few small changes in...

DateTime and Duration Inputs for Filter (follow-up of #6444)

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Follow-up of https://github.com/ILIAS-eLearning/ILIAS/pull/6444

Expandable Standard Panel and Standard Listing Panel

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This PR introduces an extension to the `Standard Panel` and `Standard Listing Panel` to make them expandable, as it is need for https://docu.ilias.de/goto_docu_wiki_wpage_7416_1357.html. The PR includes the interface changes and...

…ter content area, instead of applying the filter https://mantis.ilias.de/view.php?id=41541