Added debug log to API endpoint for loading ongoing visits

Author: tieneupin

src/murfey/server/api/__init__.py

@@ -892,6 +892,9 @@ def _add_tilt():
 
 @router.get("/instruments/{instrument_name}/visits_raw", response_model=List[Visit])
 def get_current_visits(instrument_name: str, db=murfey.server.ispyb.DB):
+    log.debug(
+        f"Received request to look up ongoing visits for {sanitise(instrument_name)}"
+    )
     return murfey.server.ispyb.get_all_ongoing_visits(instrument_name, db)