[TASK] IRRE drag and drop sorting now solved using jQuery UI

This also fixes “IRRE - drag and drop sorting of items
not possible in Internet Explorer”.

* Added jQuery-ui and jQuery to requirejs.
* Reworked the IRRE-Header HTML and CSS.
* Sortable is done by jQuery-Ui.

Resolves: #51768
Releases: 6.2
Change-Id: Idd121617f2cd5215604747cd0f18285a73dfed49
Reviewed-on: https://review.typo3.org/27164
Reviewed-by: Frans Saris
Tested-by: Frans Saris
Reviewed-by: Benjamin Mack
Tested-by: Benjamin Mack