[AnimationPlayer] custom_blend param doesnt work if animations are made with/without CURVES

[nonunknown]

Godot version

v4.0.dev.custom_build [cb4e421]

System information

manjaro Gnome 21, AMD R7 200 series, Intel i3 3.0 GHZ,8GB RAM

Issue description

calling animation_player.play("A",custom_blend_time) for example,if animation B is playing and was animated without CURVES, and animation A was made with CURVES, then the custom_blend_time doesnt work and it plays the wanted animation without blending.

Steps to reproduce

• Create AnimationPlayer
• Animate some node
• Make animation 1 without curve
• Make animation 2 with curve
• create script
• call animation 1 with a blender param
• the blending will not work

Minimal reproduction project

https://easyupload.io/0cehia

Press Arrow UP or DOWN to change animations!

[akien-mga]

Is this still reproducible in 4.1 beta 3 or later?

The MRP is no longer available.

[AThousandShips]

Closing due to lack of response, if you provide the requested information this can be reopened