### Godot version

4.0.dev (c309de53997feff3286295fb2d71657f112a15db)

### System information

Linux, Nvidia, Vulkan

### Issue description

Editor segfaults when certain conditions are met when using the AnimationPlayer editor.

### Steps to reproduce

1. Create multiple animations, saved into a animation collection
2. Open an existing animation, then make a new empty animation
3. Change from seconds to fps, or add a new property to animate ()
4. Editor crashes

NOTE: It is slightly random and I have not found a perfect repro

### Minimal reproduction project

N/A (TBD?)
insert_data.clear();
	insert_queue = true;
}
void AnimationTrackEditor::commit_insert_queue() {
	bool reset_allowed = true;
	AnimationPlayer *player = AnimationPlayerEditor::get_singleton()->get_player();
	if (player->has_animation(SceneStringNames::get_singleton()->RESET) && player->get_animation(SceneStringNames::get_singleton()->RESET) == animation) {
		
		reset_allowed = false;
	} else {
		bool some_resettable = false;
		for (int i = 0; i < insert_data.size(); i++) {
			if (track_type_is_resettable(insert_data[i].type)) {
				some_resettable = true;
				break;
			}
		}
		if (!some_resettable) {
			reset_allowed = false;
		}
	}
	
	int num_tracks = 0;
	String last_track_query;
	bool all_bezier = true;