fix(frontend,backend): storage categories keep one hue in both themes, trash counted in the total, undo keeps the list, larger touch targets

backend/src/utils/read/models.py

@@ -276,6 +276,7 @@ class TrashItemView(BaseModel):
     file_size: int | None
     trashed_at: datetime
     purge_at: datetime
+    refs: int
     refetchable: bool