[BUGFIX] Minor fixes in EXT:reactions

- Use TYPO3.Icons
- Make reactionTypes accessible to fluid
- Allow type sorting and use correct field
- Add contextmenu and icon to backend view

Resolves: #99275
Releases: main
Change-Id: Id68be5cdd9d2ffd9e4a137a773e442df214ee9df
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/76925


Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Frank Nägler <frank.naegler@typo3.com>
Tested-by: Frank Nägler <frank.naegler@typo3.com>