### Godot version

4.0.rc

### System information

Any

### Issue description

If the RESET animation is generated at the same time as the Bezier track is generated, the bezier edit button will not be active.

![image](https://user-images.githubusercontent.com/61938263/218256176-88b1b196-7b6b-4404-84ad-e8694f23bb1b.png)

Also, if you delete a track in the Bezier Editor, or in undo redo, it will not update correctly.

### Steps to reproduce

![image](https://user-images.githubusercontent.com/61938263/218256230-4b0219d5-87e4-453a-8294-59f8feb0cfd5.png)


### Minimal reproduction project

N/A
const int max_sc_width = String::num(max_sc).length() * max_digit_width;
			while (!step_found) {
				int min = max_sc_width;
				if (decimals > 0) {
					min += period_width + max_digit_width * decimals;
				}
				static const int _multp[3] = { 1, 2, 5 };
				for (int i = 0; i < 3; i++) {
					step = (_multp[i] * dec);
					if (step * scale / SC_ADJ > min) {
						step_found = true;
						break;
					}
				}
				if (step_found) {
					break;
				}
				dec *= 10;
				decimals--;
				if (decimals < 0) {
					decimals = 0;
				}
			}
			if (use_fps) {
				float step_size = animation->get_step();
				if (step_size > 0) {
					int prev_frame_ofs = -10000000;
					for (int i = 0; i < zoomw; i++) {
						float pos = get_value() + double(i) / scale;
						float prev = get_value() + (double(i) - 1.0) / scale;