added root name enabled condition

Custom root name setting disabled if use object name as root is enabled

src/addons/send2ue/ui/dialog.py

@@ -63,7 +63,7 @@ def draw_export_tab(self, layout):
         properties = bpy.context.scene.send2ue
         self.draw_property(properties, layout, 'use_object_origin')
         self.draw_property(properties, layout, 'export_object_name_as_root')
-        self.draw_property(properties, layout, 'export_custom_root_name')
+        self.draw_property(properties, layout, 'export_custom_root_name', enabled=not properties.export_object_name_as_root)
 
         #  animation settings box
         self.draw_expanding_section(