Fixup :testing and Fixing CI errors -

Author: elsazac

bundles/org.eclipse.ui/src/org/eclipse/ui/internal/UIPreferenceInitializer.java

@@ -51,7 +51,10 @@ public void initializeDefaultPreferences() {
 		context.getNode(WorkbenchPlugin.getDefault().getBundle().getSymbolicName());
 		node.put(IWorkbenchPreferenceConstants.OPEN_NEW_PERSPECTIVE,
 				IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
-
+		// testing and Fixing CI errors -
+		// Deprecated but kept for backwards compatibility
+		node.put(IWorkbenchPreferenceConstants.PROJECT_OPEN_NEW_PERSPECTIVE,
+				IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
 		// Although there is no longer any item on the preference pages
 		// for setting the linking preference, since it is now a per-part
 		// setting, it remains as a preference to allow product overrides of the