### Godot version

v4.1.rc2.official [46424488e]

### System information

Godot v4.1.rc2 - Windows 10.0.22621 - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 3060 (NVIDIA; 31.0.15.3623) - AMD Ryzen 7 5700G with Radeon Graphics (16 Threads)

### Issue description

When setting the AnimationTree to active, Godot crashes.

### Steps to reproduce

https://github.com/godotengine/godot/assets/46705245/dbe5eb81-1357-43e8-ac80-a4eb97eea9fc

### Minimal reproduction project

[Crash.zip](https://github.com/godotengine/godot/files/11945826/Crash.zip)

pos_current = len_current - rem;
	
	_transition_to_next_recursive(tree, p_state_machine, p_test_only);
	
	double remain = rem; 
	if (p_state_machine->get_state_machine_type() == AnimationNodeStateMachine::STATE_MACHINE_TYPE_NESTED) {
		
		if (!p_state_machine->has_transition_from(current)) {
			if (fading_from != StringName()) {
				remain = MAX(rem, fading_time - fading_pos);
			} else {
				remain = rem;
			}
			return remain;
		}
	}
	if (current == p_state_machine->end_node) {
		if (fading_from != StringName()) {
			remain = MAX(0, fading_time - fading_pos);
		} else {
			remain = 0;
		}
		return remain;
	}
	if (!is_end()) {
		return HUGE_LENGTH;
	}
	return remain;
}
bool AnimationNodeStateMachinePlayback::_transition_to_next_recursive(AnimationTree *p_tree, AnimationNodeStateMachine *p_state_machine, bool p_test_only) {