feat(core): export FormlySelectOptionsPipe (#3249)
feat(core): export FormlySelectOptionsPipe (#3249)

fix #3236
formly-js/ng-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,formly-js/ng-formly