Buildings and levels for the floor map, and make every identifier searchable

plugins/warranty/api/routes.py

@@ -88,6 +88,7 @@ def _related_machine(asset):
             # worth showing, so the caller decides what to do with a missing
             # position rather than the row being dropped.
             'mapx': candidate.mapx,
+            'levelid': candidate.levelid,
             'mapy': candidate.mapy,
             'locationid': candidate.locationid,
             'locationname': (candidate.location.locationname