pygui cleaned up error display by creating top level app methods for displaying exceptions and errors, logging exceptions, and making sure they work for background tasks

daemon/core/gui/dialogs/emaneconfig.py

@@ -9,7 +9,6 @@ from typing import TYPE_CHECKING, Any
 import grpc
 
 from core.gui.dialogs.dialog import Dialog
-from core.gui.errors import show_grpc_error
 from core.gui.images import ImageEnum, Images
 from core.gui.themes import PADX, PADY
 from core.gui.widgets import ConfigFrame
@@ -78,7 +77,7 @@ class EmaneModelDialog(Dialog):
                 )
             self.draw()
         except grpc.RpcError as e:
-            show_grpc_error(e, self.app, self.app)
+            self.app.show_grpc_exception("Get EMANE Config Error", e)
             self.has_error = True
             self.destroy()