Button no longer shows last character on resize

[LasseSchnepel]

Tested versions

v4.3.rc2.mono.official [3978628]
saw it in v4.2.2.stable as well

System information

Godot v4.3.rc2.mono - Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1070 Ti (NVIDIA; 31.0.15.3623) - AMD Ryzen 7 2700X Eight-Core Processor (16 Threads)

Issue description

One button looses the last character while resizing.

At startup:

After resizing by a few pixels:

I also noted that in a second window, the characters are replaced by strange rectangles (when resizing the original window). Not sure if this is related.

Steps to reproduce

Open the MRP, start it, resize the window.

Minimal reproduction project (MRP)

MRP Button Issue.zip