debug undo after deletion of BCA

src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py

@@ -548,11 +548,11 @@ class BoundaryConditionAdisTS(SQLSubModel):
         self.modified()
 
     def delete_i(self, indexes):
-        self._data = list(
+        list(
             map(
                 lambda e: e[1].set_as_deleted(),
                 filter(
-                    lambda e: e[0] not in indexes,
+                    lambda e: e[0] in indexes,
                     enumerate(self.data)
                 )
             )