Bring a modal window back to front when opening a dialog

Otherwise it can happen the modal window in background blocks the other UI.

src/blackgui/components/aircraftmodelsetvalidationdialog.cpp

@@ -31,8 +31,10 @@ namespace BlackGui
 
         void CAircraftModelSetValidationDialog::validatedModelSet(const CSimulatorInfo &simulator, const CAircraftModelList &valid, const CAircraftModelList &invalid, bool stopped, const CStatusMessageList &msgs)
         {
+            if (!sGui) { return; }
             ui->comp_AircraftModelValidation->validatedModelSet(simulator, valid, invalid, stopped, msgs);
             this->setWindowTitle(QStringLiteral("Model validation for '%1'").arg(simulator.toQString(true)));
+            CGuiApplication::modalWindowToFront();
         }
 
         bool CAircraftModelSetValidationDialog::event(QEvent *event)

src/blackgui/components/autopublishdialog.cpp

@@ -7,8 +7,10 @@
  */
 
 #include "autopublishdialog.h"
+#include "blackgui/guiapplication.h"
 #include "ui_autopublishdialog.h"
 
+
 namespace BlackGui
 {
     namespace Components
@@ -33,8 +35,8 @@ namespace BlackGui
         {
             const int r = ui->comp_AutoPublish->readFiles();
             this->show();
+            CGuiApplication::modalWindowToFront();
             return r;
         }
-
     } // ns
 } // ns

src/blackgui/components/dbloaddatadialog.cpp

@@ -57,6 +57,7 @@ namespace BlackGui
         bool CDbLoadDataDialog::newerOrEmptyEntitiesDetected(CEntityFlags::Entity loadEntities)
         {
             this->show();
+            CGuiApplication::modalWindowToFront();
             if (m_consolidating) { return false; }
             if (m_pendingEntities != CEntityFlags::NoEntity) { return false; } // already loading
             if (loadEntities == CEntityFlags::NoEntity) { return false; }