Select2 does not load i18n localizations

[dragomano]

Winter CMS Build

1.1

PHP Version

7.4

Database engine

MySQL/MariaDB

Plugins installed

Builder

Issue description

Select2 dropdown library does not load i18n localization (e.g., message "No results found" during search in the list - it should be localized)

Steps to replicate

1. Use a dropdown field with non-English localization

Workaround

No response

[hauzmann]

Did you put this code in your plugn.php?

 // Listen for `backend.page.beforeDisplay` event and inject js to current controller instance.
`  Event::listen('backend.page.beforeDisplay', function($controller, $action, $params) {
    $controller->addJs('/modules/system/assets/ui/vendor/select2/js/i18n/ru.js');
});`

Everythig works fine for me:

[dragomano]

Thanks. It would be better to add it once in /modules/backend/classes/Controller.php:

// Listen for `backend.page.beforeDisplay` event and inject js to current controller instance.
\Winter\Storm\Support\Facades\Event::listen('backend.page.beforeDisplay', function($controller, $action, $params) {
    $controller->addJs('/modules/system/assets/ui/vendor/select2/js/i18n/' . Config::get('app.locale') . '.js');
});

[LukeTowers]

This should definitely be handled by the code that already loaded client side localizations for the Winter backend; a PR would definitely be appreciated :)

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