Incorrect rendering of centered odd-size texture (frame) in AnimatedSprite/AnimatedSprite3D

[kleonc]

Godot version

3.4.beta5

System information

N/A

Issue description

Title.
In AnimatedSprite(2D) the rect is calculated properly but the texture is rendered incorrectly:
(it's 1x1 texture)

In AnimatedSprite3D the rect is consistent with the rendering but it's not centered properly:
(it's 1x1 texture)

Steps to reproduce

Add an odd-size texture as a frame to AnimatedSprite/AnimatedSprite3D and make it centered.

Minimal reproduction project

No response