GizmoScale: Suppress ununiversal scale for cut objects

+ Gizmos/GLGizmoRotate: Deleted changes which was made for GizmoCut, but aren't used any more

src/slic3r/GUI/Gizmos/GLGizmosManager.hpp

@@ -199,6 +199,7 @@ public:
 
     EType get_current_type() const { return m_current; }
     GLGizmoBase* get_current() const;
+    GLGizmoBase* get_gizmo(GLGizmosManager::EType type) const;
     EType get_gizmo_from_name(const std::string& gizmo_name) const;
 
     bool is_running() const;