Add support for /file_hooks directory
What does this MR do?
Use /file_hooks directory for File Hooks to be in sync with feature name.
For #196846 (closed)
Feature rename happened earlier at !22979 (merged)
Plugins dir will be deprecated in follow-up mr => !29678 (merged)
Screenshots
Does this MR meet the acceptance criteria?
Conformity
Edited by Peter Leitzen