Handle photo not found case in API routes (#1201)

* Handle media not found issue

* temporary run workflows for master pushes only; tests

* revert temp workflow changes

---------

Co-authored-by: Konstantin Koval

api/scanner/scanner_media.go

@@ -14,6 +14,8 @@ import (
 	"gorm.io/gorm"
 )
 
+var ProcessSingleMediaFunc = ProcessSingleMedia
+
 func ScanMedia(tx *gorm.DB, mediaPath string, albumId int, cache *scanner_cache.AlbumScannerCache) (*models.Media, bool, error) {
 	mediaName := path.Base(mediaPath)