[BUGFIX] Optimize JavaScript implementation of new functionality

This change
* removes an unneeded CSS class from all tree items, making the DOM
  smaller
* adds passive listeners for touch events in Resizables. This
  way browsers do not complain anymore

Resolves: #94835
Releases: master
Change-Id: Ia240751c9f623c753be80b9fc8063bb536c54481
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/70482


Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Hader <oliver.hader@typo3.org>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Oliver Hader <oliver.hader@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>