[TASK] Use sprite for tables

Add the table icons to the general sprite.

Resolves: #56568
Releaes: 0.6
Change-Id: I08c6f560e9733aafd979ff9ce82ac28d11e3917a
Reviewed-on: https://review.typo3.org/29124
Reviewed-by: Francois Suter
Tested-by: Francois Suter