[TASK] Unify configuration for overriding child TCA

The configuration possibilities to override child TCA
from the TCA of an inline parent

foreign_types
foreign_record_defaults
foreign_selector_fieldTcaOverride
overrideCropVariants

Are now replaced with a new generic one

overrideChildTca

The old TCA is migrated to the new version.

Resolves: #80000
Releases: master
Change-Id: Iebe4e0794517bc51f8bb2406aec80d95dfcb374e
Reviewed-on: https://review.typo3.org/52130


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>