Refactor connection between cases and views.

Eclipse grid views and contour maps are not longer a child of the case.
The views are not separate collections (one for grid and one for contour maps)
on root level.

ApplicationLibCode/ProjectDataModel/RimEclipseViewCollection.h

@@ -0,0 +1,49 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2024     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+#pragma once
+
+#include "cafPdmField.h"
+
+#include "cafPdmChildArrayField.h"
+#include "cafPdmObject.h"
+
+#include <QString>
+
+class RimEclipseView;
+class RimEclipseCase;
+
+class RimEclipseViewCollection : public caf::PdmObject
+{
+    CAF_PDM_HEADER_INIT;
+
+public:
+    RimEclipseViewCollection();
+    ~RimEclipseViewCollection() override;
+
+    bool isEmpty();
+
+    RimEclipseView* addView( RimEclipseCase* eclipseCase );
+    void            addView( RimEclipseView* view );
+
+    void removeView( RimEclipseView* view );
+
+    std::vector<RimEclipseView*> views() const;
+
+private:
+    caf::PdmChildArrayField<RimEclipseView*> m_views;
+};