[BUGFIX] Make text in All Configuration selectable

Remove the click function on the whole item.
This prevents selecting the text.
The input fields are be enough to select them easily.

Resolves: #56350
Releases: 6.2
Change-Id: I929ef24383460964288696d268959b32fae3b705
Reviewed-on: https://review.typo3.org/27882
Reviewed-by: Jost Baron
Tested-by: Jost Baron
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel