override the local revit model when saving (#3312)

Bogdan: When I run a graph that modifies the rvt it looks like we don't
get back the modified version ? Is this expected ?

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Author: pinzart90

src/DADynamoApp/DAEntrypoint.cs

@@ -446,7 +446,7 @@ public void HandleDesignAutomationReadyEvent(object sender, DesignAutomationRead
                         }*/
 
                         // Save locally 
-                        doc.Save();
+                        doc.SaveAs(Path.Combine(WorkItemFolder, setupReq.LocalModelFileName), new SaveAsOptions() { OverwriteExistingFile = true });
                     }
                 }
                 catch (Exception ex)