[BUGFIX] Rename recordlist export functionality to "download"

To prevent confusion between the EXT:impexp functionality
and the recordlists' own export functionality, latter is
renamed to "download".

Resolves: #94511
Releases: master
Change-Id: I5e101e04da00c52fe176beaf764de41c0fac9245
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/69794


Tested-by: core-ci <typo3@b13.com>
Tested-by: Jochen <rothjochen@gmail.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Jochen <rothjochen@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>