Fix Projection create_orthogonal being incorrect

Title

(cherry picked from commit e4ae69f607fca68ca8521b384095acad2788390e)

src/variant/projection.cpp

@@ -136,7 +136,7 @@ Projection Projection::create_for_hmd(int p_eye, real_t p_aspect, real_t p_intra
 
 Projection Projection::create_orthogonal(real_t p_left, real_t p_right, real_t p_bottom, real_t p_top, real_t p_znear, real_t p_zfar) {
 	Projection proj;
-	proj.set_orthogonal(p_left, p_right, p_bottom, p_top, p_zfar, p_zfar);
+	proj.set_orthogonal(p_left, p_right, p_bottom, p_top, p_znear, p_zfar);
 	return proj;
 }