Prepare TCA partials for FAL properties

Since the TCA for FAL is generated by a method that returns an array,
we have to rearrange the template for the domain objects TCA file.

All Partials define an array now, not only the key value pairs

Releases: 6.2
Change-Id: I55e9e659e50fdc12fc9a0888416709c61717c230
Reviewed-on: https://review.typo3.org/29437
Reviewed-by: Nico de Haen
Tested-by: Nico de Haen