Typo in concept-behaviors.md

The method 'bar()' does not exist in this context. I believe it should be 'foo().'

Additional fixes for #4993

[ci skip] Update docs for CheckboxColumn::$checkboxOptions

Adv template `aliases.php` => `bootstrap.php` (common + specific for apps)

Update polish translation [skip ci]

fix authchoice.js

close #4487

close #4505

fixes #4452, close #4452

This fix ensures the format configured in the formatter class is used in the message instead
of the default ICU format.

fixes #4960

Handling $query->joinWith called inside of other $query->joinWith within Closure (called inside Closure). Ex.: ```php $query->joinWith( [ 'rel1' => function($query) { $query->joinWith( [ 'rel2' => function($query) { // ... } ] ); } ] ); ```

Updated phpdoc for \yii\widgets\DetailView [ckip ci]

This widget usage is not only restricted with `Model` or associative array (see its `normalizeAttributes()` method)