fixed fixture controller config for applications

[ci skip] Testing Docs: Just a few changes - seems to read better to me

[skip ci] New Chinese translations

 No need to return from __construct

Fixes #5688: Added optional `$formName` to `Model::loadMultiple()` to support customizing form name directly

Fixes #5768: When setting `data-confirm` attribute to a submit button, clicking on the button would not trigger form submission

docs/guide-ja/structure-filters.md added [ci skip]

docs/guide/structure-filters.md - typo fixed [ci skip]

Fixes #4889: Application was getting into redirect loop when user wasn't allowed accessing login page. Now shows 403

Fixes #5954: `yii message` command now shows user friendly error if it's not able to parse source file

Fixed typos [ci skip] in console tutorial

Fixes #5865: Added info about adjusting advanced application in order to deploy it under a single domain