Surface: Support for folders, copy and drag'n'drop (#6335)

* Enable surface reordering support. Automatically update surface in view ordering based on surface collection ordering

* Remove obsolete code

* Enable drag'n'drop support for surfaces within a surface collection. Still missing the collection update part.

* Bring back code lost in prev. commit

* Add code to accept drops in surface collections. Keep view  in sync.

* Add command for adding additional surface folders.

* Make sure we use the current surface collection as our parent when importing

* Enable name editing.
Make sure we use the correct surface collection when importing/creating surfaces

* More work on getting surface collections working.

* Clean up naming

* Make sure name for surfaceinviewcollection is read only

* Support drawing surfaces from subcollections, too

* Allow deleting subfolders.
Fix legends in view

* Refactor topmost flag for surface collections.

* Fix reload surface to work in all subfolders, too
Add copy surface skeleton. Actual copy operation is still missing

* Add support for copying surfaces

* Remove possibility to choose I and J slice directions for grid case surfaces.

* Fix warnings.

* Make sure we create the surface folder at the correct level

* More warning fix

* Use XML serialization for copy operation

* Fix missing delete

* Fix typo

* Remove unnecessary method.

ApplicationCode/ProjectDataModel/RimContextCommandBuilder.cpp

@@ -900,6 +900,8 @@ caf::CmdFeatureMenuBuilder RimContextCommandBuilder::commandsFromSelection()
         {
             menuBuilder << "RicImportSurfacesFeature";
             menuBuilder << "RicNewGridSurfaceFeature";
+            menuBuilder.addSeparator();
+            menuBuilder << "RicNewSurfaceCollectionFeature";
         }
         else if ( dynamic_cast<RimSurface*>( firstUiItem ) )
         {
@@ -910,6 +912,7 @@ caf::CmdFeatureMenuBuilder RimContextCommandBuilder::commandsFromSelection()
 
             menuBuilder << "RicExportSurfaceToTsurfFeature";
             menuBuilder << "Separator";
+            menuBuilder << "RicCopySurfaceFeature";
             menuBuilder << "RicReloadSurfaceFeature";
         }
         else if ( dynamic_cast<RimAnnotationCollection*>( firstUiItem ) ||