Backport of "gstelementfactory: Fix missing features in case a feature moves to another filename" into 1.16
requested to merge tpm/gstreamer:backport-mr-102-into-1.16-element-factory-fix-feature-move-cache into 1.16
Backport of !102 (merged) "gstelementfactory: Fix missing features in case a feature moves to another filename".
Commits:
- 3cfda6d6 gstelementfactory: Fix missing features in case a feature moves to another filename