* LibraryPanels: Enables create/update library panels with specific UID * Chore: added check for uid length after PR comments * Refactor: creates IsShortUIDTooLong function * Refactor: adds UID to PATCH endpoint * Refactor: clarifies the patch code * Refactor: changes after PR comments
* LibraryPanels: Adds usage collection * Refactor: renames Panel and Variable consts * Chore: initialize stats * Refactor: moves library element migrations to migration namespace