LibGUI: Replace uses of JsonObject::get_deprecated()/get_ptr()

Author: https://github.com/AtkinsSJ
Commit: 2fce19a451
Pull-request: https://github.com/SerenityOS/serenity/pull/17081
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibGUI/CommonLocationsProvider.cpp

@@ -56,8 +56,8 @@ ErrorOr<void> CommonLocationsProvider::load_from_json(StringView json_path)
         if (!entry_value.is_object())
             continue;
         auto entry = entry_value.as_object();
-        auto name = entry.get_deprecated("name"sv).to_deprecated_string();
-        auto path = entry.get_deprecated("path"sv).to_deprecated_string();
+        auto name = entry.get_deprecated_string("name"sv).value_or({});
+        auto path = entry.get_deprecated_string("path"sv).value_or({});
         TRY(s_common_locations.try_append({ name, path }));
     }