[TASK] Use array for controller action lists

Clean up plugin configuration by using
an array for the action list. This also
improves performance, since no string
operations have to be done (internally,
TYPO3 handles the action list as array).

Resolves: #102666
Resolves: #95350
Releases: main
Change-Id: I75ec681096cccf49b3ac40b1961edbb060d1aae5
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/82182


Tested-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Tested-by: core-ci <typo3@b13.com>
Reviewed-by: Simon Schaufelberger <simonschaufi+typo3@gmail.com>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Garvin Hicking <gh@faktor-e.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: Oliver Bartsch <bo@cedev.de>