### Godot version

4.2.rc1

### System information

win11

### Issue description
If you call animation.advance() after play() within a single process frame, the animation will not work properly.
The advance function does not work.
![image](https://github.com/godotengine/godot/assets/91177204/0edd6d63-9bfb-4860-8e14-1f0767bc4346)
The advance function does not work either.
![image](https://github.com/godotengine/godot/assets/91177204/fa5397d4-4615-44c9-aa7e-c2eae0e59a5f)
The advance function works, but 2 frames have already shown
![image](https://github.com/godotengine/godot/assets/91177204/c2df992a-ab64-43af-b9c7-89abb005b1c2)

This bug is not present in 4.1.3.stable.



### Steps to reproduce

create a scene with animation and run code like below.
```
func _ready():
	animation_player.play("new_animation")   
	animation_player.advance(5.0)
```
the advance function did nothing.

### Minimal reproduction project

[animation_play_advence.zip](https://github.com/godotengine/godot/files/13400233/animation_play_advence.zip)

return speed_scale;
}
float AnimationPlayer::get_playing_speed() const {
	if (!playing) {
		return 0;
	}
	return speed_scale * playback.current.speed_scale;
}
void AnimationPlayer::seek(double p_time, bool p_update, bool p_update_only) {
	if (!active) {
		return;
	}
	playback.current.pos = p_time;
	if (!playback.current.from) {
		if (playback.assigned) {
			ERR_FAIL_COND_MSG(!animation_set.has(playback.assigned), vformat("Animation not found: %s.", playback.assigned));
			playback.current.from = &animation_set[playback.assigned];
		}
		if (!playback.current.from) {
			return; 
		}
	}
	playback.seeked = true;
	if (p_update) {
		_process_animation(0, p_update_only);
	}
}
bool AnimationPlayer::is_valid() const {