[BUGFIX] Wrong numbers in BE paginage widget

On a page with 10 records it counts 1 - 11.
Now it counts right (1 - 10).
Easy review in EM when searching for an ext
in TER, e.g. "news"

Releases: 6.0, 6.1
Resolves: #45259
Change-Id: I11b40841c40dbbf40f36bb12775e8495995ee76a
Reviewed-on: https://review.typo3.org/18096
Reviewed-by: Anja Leichsenring
Tested-by: Anja Leichsenring