edited split dropdown

src/widgets/splits/SplitContainer.hpp

@@ -177,6 +177,7 @@ public:
     void insertSplit(Split *split, Direction direction, Split *relativeTo);
     void insertSplit(Split *split, Direction direction,
                      Node *relativeTo = nullptr);
+    Split *getSelectedSplit() const;
     Position releaseSplit(Split *split);
     Position deleteSplit(Split *split);
 
@@ -244,7 +245,7 @@ private:
     QPoint mouseOverPoint_;
 
     Node baseNode_;
-    Split *selected_;
+    Split *selected_{};
     Split *topRight_{};
 
     NotebookTab *tab_;