Move reusable utils to helper file

These are reused in multiple places

app/assets/javascripts/import_entities/import_groups/utils.js

+import { STATUSES } from '../constants';
 import { NEW_NAME_FIELD } from './constants';
 
 export function isNameValid(group, validationRegex) {
@@ -11,3 +12,11 @@ export function getInvalidNameValidationMessage(group) {
 export function isInvalid(group, validationRegex) {
   return Boolean(!isNameValid(group, validationRegex) || getInvalidNameValidationMessage(group));
 }
+
+export function isFinished(group) {
+  return group.progress.status === STATUSES.FINISHED;
+}
+
+export function isAvailableForImport(group) {
+  return [STATUSES.NONE, STATUSES.FINISHED].some((status) => group.progress.status === status);
+}