### Godot version

4.1 24cb43a

### System information

Windows 10 x64

### Issue description

Every time I launch Godot, I'm greeted with this in my console:
```
ERROR: Resource file not found: res://InputEventKey_7cuxk.
   at: (core\io\resource_loader.cpp:227)
```
Seems to be only happening in Project Manager and comes from this:
![](https://chat.godotengine.org/file-upload/udqZP8NQfogp4rjRL/Clipboard%20-%2021%20kwietnia%202023%2022:24)
It's part of my `editor_settings-4.tres`. I didn't test, but I think it applies to any shortcut that you customize. For some reason ResourceLoader tries to load it as a project resource, while it's a sub-resource.

Does not happen in 4.0.2.

### Steps to reproduce

1. Open Godot 4.1 project manager
2. Check the console

### Minimal reproduction project

N/A
} else if (I->get() == "--gpu-abort") {
			Engine::singleton->abort_on_gpu_errors = true;
#endif
		} else if (I->get() == "--tablet-driver") {
			if (I->next()) {
				tablet_driver = I->next()->get();
				N = I->next()->next();
			} else {
				OS::get_singleton()->print("Missing tablet driver argument, aborting.\n");
				goto error;
			}
		} else if (I->get() == "--delta-smoothing") {
			if (I->next()) {
				String string = I->next()->get();
				bool recognised = false;
				if (string == "enable") {
					OS::get_singleton()->set_delta_smoothing(true);
					delta_smoothing_override = true;
					recognised = true;
				}
				if (string == "disable") {
					OS::get_singleton()->set_delta_smoothing(false);
					delta_smoothing_override = false;
					recognised = true;
				}
				if (!recognised) {
					OS::get_singleton()->print("Delta-smoothing argument not recognised, aborting.\n");
					goto error;
				}
				N = I->next()->next();