ms_upload.py: fix room-row edit that cut the last character on reruns

P64/Metascenes1_Spatiallm1_MasterSlam1/ms_upload.py

@@ -36,7 +36,7 @@ for room in sorted({d[0] for d in done}):
     assert m, room
     row = m.group(0)
     row = re.sub(r", Metascenes1_[^,|]*", "", row)  # drop an older entry
-    s = s.replace(m.group(0), row[:-2].rstrip() + f", {names} |")
+    s = s.replace(m.group(0), row.rstrip(" |") + f", {names} |")
 anchor_tool = "| NeuCon | Mesh reconstruction (trimesh export) |"
 tool = ("| MetaScenes-style asset replacement (own scripts in `P64/Metascenes1_Spatiallm1_MasterSlam1/`), adapted from "
         "[MetaScenes](https://github.com/meta-scenes/MetaScenes) | Replaces each SpatialLM box with an Objaverse asset, "