Unsave game on wi image change

aiserver.py

@@ -8826,6 +8826,7 @@ def UI_2_set_wi_image(uid):
     else:
         # Otherwise assign image
         koboldai_vars.worldinfo_v2.image_store[uid] = data
+    koboldai_vars.gamesaved = False
     return ":)"
 
 @app.route("/get_wi_image/<int(signed=True):uid>", methods=["GET"])