The field name is NAME_SHORT instead of SHORT_NAME, you can see https://pro.arcgis.com/en/pro-app/help/data/indoors/arcgis-indoors-information-model.htm as a reference.
Also here are the list of layers and fields used by Field Maps indoors:
Facilities:
FACILITY_ID: combined with the same field at Levels layer to get all the levels of the facility
NAME: facility name shown on floor info panel
Levels:
FACILITY_ID: combined with the same field at Facilities layer to get all the levels of the facility
LEVEL_ID: determine if it will be shown on certain floor/building by floor picker
NAME_SHORT: show the name on the floor picker
NAME: level name shown on floor info panel
VERTICAL_ORDER: control the floor order
Units/Details/Any floor aware layers:
LEVEL_ID: determine if it will be shown on certain floor/building by floor picker