fix(ionic): allow async options for ion-select (#2202)
fix(ionic): allow async options for ion-select (#2202)

ngx-formly/ngx-formly,formly-js/ng-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,formly-js/ng-formly