Dropping images now works on the whole split :)

src/widgets/splits/Split.hpp

@@ -86,6 +86,9 @@ protected:
     void leaveEvent(QEvent *event) override;
     void focusInEvent(QFocusEvent *event) override;
 
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dropEvent(QDropEvent *event) override;
+
 private:
     void channelNameUpdated(const QString &newChannelName);
     void handleModifiers(Qt::KeyboardModifiers modifiers);