Revert "[TASK] Remove loadTCA calls"

This reverts commit c2464e992668a0afbb8d8aa663324cec47275b94

Change-Id: I6bedfd6f4279c70d8d77dee6cd4cea5edab8828b
Related: #45107
Reviewed-on: https://review.typo3.org/18245
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn