[AC-1782] Flexible collections import behavior in Password Manager and Admin Console (#6888)

* Added logic to only return organisations where user has import permissions and collections that he manages on Import

* Changed the UnassignedCollections validation logic

* Added validation to check if the user is coming from AdminConsole on the import component

* Added import collection service abstraction to allow get admin collections

* Corrected feature flag reads on import component

* Refactor import component methods ngOnInit and performImport to improve codescene
Using FeatureFlag Observable

* Modified validation to allow import if user has organizations to import into

* Using the new organization flexiblecollections property on import

* Created collection-admin-import.service to return all the org collections to the import on Admin Console

* Small changes on import flexible collections

* Fix linting issues

* changed canAccessImport rules and deprecated canAccessImportExport

* Validating if user canAccessImportExport instead of admin before calling the handleOrganizationImportInit.

* AC-2095 - Corrected getAllAdminCollections from ImportCollectionAdminService to properly get all the collections on AdminConsole

* Reverting AC-2095

---------

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

libs/importer/src/services/import.service.ts

@@ -152,9 +152,8 @@ export class ImportService implements ImportServiceAbstraction {
       Utils.isNullOrWhitespace(selectedImportTarget) &&
       !canAccessImportExport
     ) {
-      const hasUnassignedCollections = importResult.ciphers.some(
-        (c) => !Array.isArray(c.collectionIds) || c.collectionIds.length == 0,
-      );
+      const hasUnassignedCollections =
+        importResult.collectionRelationships.length < importResult.ciphers.length;
       if (hasUnassignedCollections) {
         throw new Error(this.i18nService.t("importUnassignedItemsError"));
       }