SearchKit, Afform - Use APIv4-based Autocomplete widget throughout

Civi/Api4/Event/Subscriber/AutocompleteFieldSubscriber.php

ang/crmUi.js

...afform/admin/ang/afGuiEditor/afGuiFieldValue.directive.js

...ore/Civi/Api4/Subscriber/AfformAutocompleteSubscriber.php

ext/afform/core/ang/af/afField.component.js

ext/afform/core/ang/af/fields/Select.html

...SearchTasks/crmSearchInput/crmSearchInputVal.component.js

...arch_kit/ang/crmSearchTasks/crmSearchInput/entityRef.html

js/Common.js