[notifications] Fix finish url being on media

vrobbler/apps/scrobbles/mixins.py

@@ -99,10 +99,6 @@ class ScrobblableMixin(TimeStampedModel):
     def start_url(self):
         return reverse("scrobbles:start", kwargs={"uuid": self.uuid})
 
-    @property
-    def finish_url(self) -> str:
-        return reverse("scrobbles:finish", kwargs={"uuid": self.uuid})
-
     @property
     def strings(self) -> ScrobblableConstants:
         return ScrobblableConstants()

vrobbler/apps/scrobbles/models.py

@@ -604,6 +604,10 @@ class Scrobble(TimeStampedModel):
                 id=self.logdata.serial_scrobble_id
             ).first()
 
+    @property
+    def finish_url(self) -> str:
+        return reverse("scrobbles:finish", kwargs={"uuid": self.uuid})
+
     def save(self, *args, **kwargs):
         if not self.uuid:
             self.uuid = uuid4()