Correct documentation about NinePatchRect stretch modes
Correct documentation about NinePatchRect stretch modes

This closes https://github.com/godotengine/godot-docs/issues/4333.

(cherry picked from commit 82bfb6273b1b3fc029e155e13d9579c3fc92d3e2)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot