Initialize timers.

modules/database/model.py

@@ -419,6 +419,10 @@ class PlaylistEntry(DB.Model, AuraDatabaseModel):
     queue_state = None # Assigned when entry is about to be queued
     channel = None # Assigned when entry is actually played
     status = None # Assigned when state changes
+    
+    switchtimer = None
+    loadtimer = None
+    fadeouttimer = None
 
     # relationships
     playlist = relationship("Playlist", uselist=False, back_populates="entries")