Due to a wrong TCA configuration, the placeholder feature in
content elements using images just shows the unresolved value
"__row|__foreign|name" instead of the correct title.

Change-Id: I7b574e1fb79a7bed02bb265671847449780ef0f4
Resolves: #36403
Releases: 6.0
Reviewed-on: http://review.typo3.org/10898
Reviewed-by: Ingmar Schlecht
Tested-by: Ingmar Schlecht
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader