Move OSDU well logs and undo/redo view to experimental features

Gate the OSDU well log import menu item and the command undo/redo history view
behind the discoverable experimental features registry instead of
RiaApplication::enableDevelopmentFeatures(), so they can be toggled from
Preferences -> System without setting the RESINSIGHT_DEVEL environment variable.

Register the 'osdu-well-logs' and 'undo-redo-view' features in
RiaExperimentalFeatures and gate the code paths via
RiaPreferencesSystem::isFeatureEnabled().

ApplicationLibCode/ProjectDataModel/RimContextCommandBuilder.cpp

@@ -21,6 +21,7 @@
 
 #include "QuickAccess/RimFieldQuickAccess.h"
 #include "RiaApplication.h"
+#include "RiaPreferencesSystem.h"
 
 #include "ContourMap/RimEclipseContourMapViewCollection.h"
 #include "Formations/RimFormationNames.h"
@@ -1408,8 +1409,8 @@ int RimContextCommandBuilder::appendImportMenu( caf::CmdFeatureMenuBuilder& menu
     candidates << "RicReloadWellPathFormationNamesFeature";
 
     // Import of well logs from OSDU is disabled by default. The quality of well log data from OSDU is not sufficient for effective
-    // use. The environment variable RESINSIGHT_DEVEL must be set to enable this feature.
-    if ( addOsduImportMenuItem && RiaApplication::enableDevelopmentFeatures() )
+    // use. Enable the "OSDU Well Logs" experimental feature (Preferences -> System) to enable this menu item.
+    if ( addOsduImportMenuItem && RiaPreferencesSystem::current()->isFeatureEnabled( "osdu-well-logs" ) )
     {
         candidates << "RicImportWellLogOsduFeature";
     }