Container won't update rect_size after Sprite child's region_rect increased.

[MaaaxiKing]

Godot version:

3.2.1.stable

OS/device including version:

Windows 10 Home 1909

Intel(R) UHD Graphics 620
GLES3
Issue description:

A container which has a Sprite child doesn't update it's size after the Sprite's region rect increased.

Steps to reproduce:
Create a scene with root Node Container. Add a Sprite as a child to it. Import a texture with repeat enabled. Set this texture to the sprite. Enable region. Set w or h to something bigger than the texture size.
Minimal reproduction project:

Container Sprite region bug.zip

[TheDuriel]

Containers do not sort Node2D's. Use a TextureRect instead.