fix: show icons by importing recources_rc in ORSToolsDialog

Author: merydian

ORStools/gui/ORStoolsDialog.py

@@ -65,6 +65,8 @@
 from .ORStoolsDialogConfig import ORStoolsDialogConfigMain
 from .ORStoolsDialogUI import Ui_ORStoolsDialogBase
 
+from . import resources_rc
+
 
 def on_config_click(parent):
     """Pop up provider config window. Outside of classes because it's accessed by multiple dialogs.