### Godot version

0810ecaafdbee3ea747219e6ab3a8de5d2216a09

### System information

Windows 11, Nvidia 3000, firefox

### Issue description

Exporting the gltf file is corrupt in blender.

### Steps to reproduce

1. Open project.
2. Export as glb
3. Open in blender
4. Blender display many warnings

![image](https://user-images.githubusercontent.com/32321/216740742-de662c5c-f5c3-44b5-a36e-8ad33defdbba.png)


### Minimal reproduction project

https://cdn.discordapp.com/attachments/598003845657788438/1071249610896580691/Test_Game_Project.zip


target["node"] = track_i.key;
				t["target"] = target;
				channels.push_back(t);
			}
			if (track.weight_tracks.size()) {
				double length = 0.0f;
				for (int32_t track_idx = 0; track_idx < track.weight_tracks.size(); track_idx++) {
					int32_t last_time_index = track.weight_tracks[track_idx].times.size() - 1;
					length = MAX(length, track.weight_tracks[track_idx].times[last_time_index]);
				}
				Dictionary t;
				t["sampler"] = samplers.size();
				Dictionary s;
				Vector<real_t> times;
				const double increment = 1.0 / BAKE_FPS;
				{
					double time = 0.0;
					bool last = false;
					while (true) {
						times.push_back(time);
						if (last) {
							break;
						}
						time += increment;
						if (time >= length) {
							last = true;
							time = length;
						}
					}
				}