LGTM: [skip ci] fix: Large object passed by value

src/Mod/Drawing/Gui/TaskOrthoViews.cpp

@@ -230,7 +230,7 @@ void orthoview::smooth(bool state)
     this_view->ShowSmoothLines.setValue(state);
 }
 
-void orthoview::set_projection(gp_Ax2 cs)
+void orthoview::set_projection(const gp_Ax2& cs)
 {
     gp_Ax2  actual_cs;
     gp_Dir  actual_X;

src/Mod/Drawing/Gui/TaskOrthoViews.h

@@ -47,7 +47,7 @@ public:
     ~orthoview();
 
     void    set_data(int r_x, int r_y);
-    void    set_projection(gp_Ax2 cs);
+    void    set_projection(const gp_Ax2& cs);
     void    setPos(float = 0, float = 0);
     void    setScale(float newscale);
     float   getScale();