Mesh: correction to make meshing thread-safe with tab display

src/View/Geometry/Window.py

@@ -350,14 +350,22 @@ class GeometryWindow(PamhyrWindow):
             tableview = self.tableView
 
             def fn():
-                self._table.meshing(mesher, data, tableview)
-            # self._table.meshing(mesher, data, tableview)
+                return mesher.meshing(self._reach, **data)
+
             dlg2 = WaitingDialog(
                 payload_fn=fn,
                 title="waiting_mesh",
                 parent=self
             )
             dlg2.exec_()
+
+            if dlg2.worker_exception is not None:
+                raise dlg2.worker_exception
+
+            # Models, undo stacks and selections belong to the GUI thread.
+            self._table.apply_meshing(
+                dlg2.worker_result, data, tableview
+            )
             self._table.update()
 
         except Exception as e: