[DOCS] Move Feature rst into correct directory

Because #90728 is being backported into v10, the
feature rst must be placed in the 10.4.x directory.

Resolves: #92425
Releases: master
Change-Id: If565cf55dac796f0a315a453e817a0731de23d77
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65906


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Sybille Peters <sypets@gmx.de>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Sybille Peters <sypets@gmx.de>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>