Files refactor fixes (#2743)

* Fix destroy gallery not destroying file
* Re-add minModTime functionality
* Deprecate useFileMetadata and stripFileExtension
* Optimise files post migration
* Decorate moved files. Use first missing file in move
* Include path in thumbnail generation error log
* Fix stash-box draft submission
* Don't destroy files unless deleting
* Call handler for files with no associated objects
* Fix moved zips causing error on scan

pkg/sqlite/image.go

@@ -379,6 +379,13 @@ func (qb *ImageStore) FindByFileID(ctx context.Context, fileID file.ID) ([]*mode
 	return ret, nil
 }
 
+func (qb *ImageStore) CountByFileID(ctx context.Context, fileID file.ID) (int, error) {
+	joinTable := imagesFilesJoinTable
+
+	q := dialect.Select(goqu.COUNT("*")).From(joinTable).Where(joinTable.Col(fileIDColumn).Eq(fileID))
+	return count(ctx, q)
+}
+
 func (qb *ImageStore) FindByFingerprints(ctx context.Context, fp []file.Fingerprint) ([]*models.Image, error) {
 	table := imagesQueryTable