### Godot version

4.0 dev Beta 10

### System information

MacBook Pro M1 Max

### Issue description

After I imported font.ttf file and move it from one folder to another under ://res godot suddenly crashed, and it still crashes after restart.

### Steps to reproduce

Import some font.ttf file and try to move into different folder

### Minimal reproduction project

N/A
FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
	ERR_FAIL_COND_V(!fd, 0);
	MutexLock lock(fd->mutex);
	return fd->face_index;
}
int64_t TextServerAdvanced::_font_get_face_count(const RID &p_font_rid) const {
	FontAdvanced *fd = font_owner.get_or_null(p_font_rid);
	ERR_FAIL_COND_V(!fd, 0);
	MutexLock lock(fd->mutex);
	int face_count = 0;
	if (fd->data_ptr && (fd->data_size > 0)) {
		
#ifdef MODULE_FREETYPE_ENABLED
		int error = 0;
		if (!ft_library) {
			error = FT_Init_FreeType(&ft_library);
			ERR_FAIL_COND_V_MSG(error != 0, false, "FreeType: Error initializing library: '" + String(FT_Error_String(error)) + "'.");
#ifdef MODULE_SVG_ENABLED
			FT_Property_Set(ft_library, "ot-svg", "svg-hooks", get_tvg_svg_in_ot_hooks());
#endif
		}