Fix `WindowUtils::copy_and_rename_pdb` path shortening regression

platform/windows/windows_utils.cpp

@@ -180,7 +180,7 @@ Error WindowsUtils::copy_and_rename_pdb(const String &p_dll_path) {
 			ERR_FAIL_COND_V_MSG(original_path_size < min_base_size + suffix_size, FAILED, vformat("The original PDB path size in bytes is too small: '%s'. Expected size: %d or more bytes, but available %d.", pdb_info.path, min_base_size + suffix_size, original_path_size));
 
 			new_pdb_base_name.clear();
-			new_pdb_base_name.append_utf8(utf8_name, original_path_size - suffix_size);
+			new_pdb_base_name.append_utf8(utf8_name.get_data(), original_path_size - suffix_size);
 			new_pdb_base_name[new_pdb_base_name.length() - 1] = '_'; // Restore the last '_'
 			WARN_PRINT(vformat("The original path size of '%s' in bytes was too small to fit the new name, so it was shortened to '%s%d.pdb'.", pdb_info.path, new_pdb_base_name, max_pdb_names - 1));
 		}