Scenarios: Set parent to EDIT when deleting current scenario

src/Model/Study.py

@@ -546,7 +546,7 @@ class Study(SQLModel):
         self.status.scenario = scenario
 
         if reduce(
-                lambda a, s: a or (s.parent is scenario),
+                lambda a, s: a or (s.parent is scenario and not s.is_deleted()),
                 self.scenarios.lst,
                 False
         ):

src/View/Scenarios/UndoCommand.py

@@ -74,11 +74,10 @@ class DeleteScenariosCommand(QUndoCommand):
             self._study.reload_from_scenario(self._scenario)
 
     def redo(self):
+        self._scenario.set_as_deleted()
         if self._reload:
             self._study.reload_from_scenario(self._scenario.parent)
 
-        self._scenario.set_as_deleted()
-
 
 class DuplicateScenariosCommand(QUndoCommand):
     def __init__(self, study):