[TASK] Declare all controllers of ext:recycler as strict typed

Set all missing files to declare(strict_types=1);

Resolves: #96847
Releases: main
Change-Id: Ic4ba42f904702357b4b52c13abdfe920a84fdb68
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/73442


Tested-by: core-ci <typo3@b13.com>
Tested-by: Nikita Hovratov <nikita.h@live.de>
Tested-by: Stefan Bürk <stefan@buerk.tech>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Nikita Hovratov <nikita.h@live.de>
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Stefan Bürk <stefan@buerk.tech>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>