test floating some panels

src/node_dialog_picker.h

@@ -12,6 +12,7 @@ public:
     std::function<void(Node* target, glm::vec3 rgb)> on_color_change;
     
     bool m_interacted = false;
+    bool m_autohide = true;
     NodeSliderH* m_slider_h;
     NodeSliderH* m_slider_s;
     NodeSliderH* m_slider_v;