Popup window placement improvements (#13464)

* Improve parent settings for message boxes and progress info

ApplicationLibCode/ProjectDataModel/Jobs/RimGenericJob.cpp

@@ -19,6 +19,7 @@
 #include "RimGenericJob.h"
 
 #include "RiaColorTools.h"
+#include "RiaGuiApplication.h"
 #include "RiaLogging.h"
 
 #include "RimJobMonitor.h"
@@ -170,7 +171,9 @@ bool RimGenericJob::execute()
         m_lastRunFailed = true;
         m_isRunning     = false;
         setDeletable( true );
-        QMessageBox::critical( nullptr, name(), "Failed to start job. Check log window for additional information." );
+        QMessageBox::critical( RiaGuiApplication::widgetToUseAsParent(),
+                               name(),
+                               "Failed to start job. Check log window for additional information." );
     }
 
     return startOk;