bim.query_linked_element - close db connection manually

otherwise it seems it was never closed (even if you open some other ifc project in current blender session) and .sqlite file is locked from being deleted (at least on Windows)

src/bonsai/bonsai/bim/module/project/operator.py

@@ -1902,6 +1902,7 @@ class QueryLinkedElement(bpy.types.Operator):
             "properties": [(k, properties[k]) for k in sorted(properties.keys())],
             "type_properties": [(k, type_properties[k]) for k in sorted(type_properties.keys())],
         }
+        self.db.close()
 
         for area in bpy.context.screen.areas:
             if area.type == "PROPERTIES":