Fixed Camera2D's reset_smoothing() does not work as described

(cherry picked from commit 22eaec689513827a1a9cf22d1c016324762f6af5)

scene/2d/camera_2d.cpp

@@ -472,8 +472,8 @@ void Camera2D::force_update_scroll() {
 }
 
 void Camera2D::reset_smoothing() {
-	smoothed_camera_pos = camera_pos;
 	_update_scroll();
+	smoothed_camera_pos = camera_pos;
 }
 
 void Camera2D::align() {