update quick panel popup for left handed option

src/node_image.h

@@ -15,6 +15,7 @@ public:
     glm::vec4 m_region;
     glm::vec2 m_off;
     glm::vec2 m_sz;
+    glm::vec2 m_scale = { 1.f, 1.f };
     std::string m_path;
     uint16_t m_tex_id;
     static void static_init();