### Godot version

4.2 dev3

### System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1060 (NVIDIA; 30.0.15.1403) - Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz (8 Threads)

### Issue description

If you have a Method Track with multiple calls to the same method, they are joined together and makes things unreadable:
![image](https://github.com/godotengine/godot/assets/2223172/a2ab8446-28a1-440b-b0d5-5049f5d705b4)
The horizontal line shouldn't be used here. I think it might be a regression.

### Steps to reproduce

1. Add AnimationPlayer
2. Add a Method Track (with Add Track button)
3. Add some key to the track
4. Add another key with the same method

### Minimal reproduction project

N/A
}
				}
				int existing_idx = -1;
				if (dst_track == -1) {
					
					dst_track = reset_tracks;
					reset_tracks++;
					undo_redo->add_do_method(reset.ptr(), "add_track", animation->track_get_type(sk.track));
					undo_redo->add_do_method(reset.ptr(), "track_set_path", dst_track, path);
					undo_redo->add_undo_method(reset.ptr(), "remove_track", dst_track);
				} else {
					existing_idx = reset->track_find_key(dst_track, 0, Animation::FIND_MODE_APPROX);
				}
				undo_redo->add_do_method(reset.ptr(), "track_insert_key", dst_track, 0, animation->track_get_key_value(sk.track, sk.key), animation->track_get_key_transition(sk.track, sk.key));
				undo_redo->add_undo_method(reset.ptr(), "track_remove_key_at_time", dst_track, 0);
				if (existing_idx != -1) {
					undo_redo->add_undo_method(reset.ptr(), "track_insert_key", dst_track, 0, reset->track_get_key_value(dst_track, existing_idx), reset->track_get_key_transition(dst_track, existing_idx));
				}
			}
			undo_redo->add_do_method(this, "_clear_selection_for_anim", animation);
			undo_redo->add_undo_method(this, "_clear_selection_for_anim", animation);
			undo_redo->add_do_method(this, "_redraw_tracks");
			undo_redo->add_undo_method(this, "_redraw_tracks");
			undo_redo->commit_action();
		} break;
		case EDIT_DELETE_SELECTION: {
			if (bezier_edit->is_visible()) {
				bezier_edit->delete_selection();
				break;
			}