This change removes the language title and flag from each CE,
and instead adds only the flag if the content element is set to
"All Languages" (-1).

In addition, the header is now based on flex-box instead of floats.

Resolves: #95302
Releases: master
Change-Id: I6d1a180915fba9f2ccf8df3979a2256134d18379
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/71116


Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Rachel Foucard <rfoucard@w-seils.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Rachel Foucard <rfoucard@w-seils.com>
Reviewed-by: Benni Mack <benni@typo3.org>