UI: Duplicate when double-click switching is used

The studio mode double-click scene switching option disables scene
duplication, which bypasses the user's settings for scene switching in
studio mode.  This fixes it so that scenes are properly duplicated
according to the user's settings.

UI/window-basic-main-transitions.cpp

@@ -296,7 +296,7 @@ void OBSBasic::TransitionToScene(OBSSource source, bool force, bool direct,
 		}
 	}
 
-	if (usingPreviewProgram && sceneDuplicationMode && !direct) {
+	if (usingPreviewProgram && sceneDuplicationMode) {
 		scene = obs_scene_duplicate(scene, NULL,
 				editPropertiesMode ?
 				OBS_SCENE_DUP_PRIVATE_COPY :