[FEATURE] Click the whole row to de-/select a task

To select or deselect a task you only need
to click in the row.

Releases: 6.1
Resolves: #45156
Change-Id: I32708cad248314e582d9314a560b7812ba1bdfc2
Reviewed-on: https://review.typo3.org/18082
Reviewed-by: Ingo Renner
Tested-by: Ingo Renner