[BUGFIX] Fix early calls to makeInstance

In case of an early call to makeInstance
the object configuration might not be set.

We can fix this by not calling makeInstance to
create the configuration manager and just
return the original class in that case.

Fixes: #43290
Related: #43269
Releases: 6.0

Change-Id: I30d9c70f2fda9dd6df6aad60a5ae5327c1fc3c52
Reviewed-on: http://review.typo3.org/16730
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel