[BUGFIX] Refactor TCA rendering

Releases: 6.2

Change-Id: Id65475511e07a76986dd2e7dae1b37ebcdf32957

Conflicts:
	Resources/Private/CodeTemplates/Extbase/Configuration/TCA/domainObject.phpt
Switch back to tx_extbase_type

Change-Id: Ieb43f5c7e3398df5f708daf77acc0e7d9cf6b47d