[BUGFIX] Fix isEditable()-call for localize-to-functionality

Calls to isEditable() were added with #68282.
Unfortunately in the localize-to-part the function-call didn't
include the tablename.

Change-Id: I208f54c7c71d99e804959724e1f4a6e9311d6f99
Resolves: #68590
Releases: master
Reviewed-on: http://review.typo3.org/42057


Reviewed-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>