Amends 4e23f2a6eb.
This should actually not be needed in the end, and rather steered
by the auto registration and settings page apply.
Change-Id: I7f94e776fec4394f539e32e5c527c367251654a8
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Also avoid re-instantiation of factories in the build configurations.
Closer to the setups of the other kit aspect(factories).
Change-Id: I1b74a68287b63ee94ff18106d3a00b23624a601b
Reviewed-by: Christian Stenger <christian.stenger@qt.io>