Can't play an animation a second time if the name is identical

[dploeger]

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Describe the bug
When using the animation commands, playing an animation with the same name a second time doesn't work. The animation is not played.

To Reproduce
Steps to reproduce the behavior:

1. Create an ESCItem with an animation node (AnimatedSprite for example)
2. Set up an animation
3. Use an ESC animation command to play the animation
4. Use an ESC animation command to play the animation a second time (even reverse)
5. Animation isn't played

Expected behavior
The animation should be played a second time.

Additional context
This is due to a flaw in the engine code. See godotengine/godot#55068

The solution is to add an additional "frames = 0" or "seek(0)" command after the animation was finished.