[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/common/src/admin-console/abstractions/organization/organization.service.abstraction.ts

@@ -57,6 +57,10 @@ export function canAccessAdmin(i18nService: I18nService) {
   );
 }
 
+/**
+ * @deprecated
+ * To be removed after Flexible Collections.
+ **/
 export function canAccessImportExport(i18nService: I18nService) {
   return map<Organization[], Organization[]>((orgs) =>
     orgs
@@ -65,6 +69,17 @@ export function canAccessImportExport(i18nService: I18nService) {
   );
 }
 
+export function canAccessImport(i18nService: I18nService) {
+  return map<Organization[], Organization[]>((orgs) =>
+    orgs
+      .filter(
+        (org) =>
+          org.canAccessImportExport || (org.canCreateNewCollections && org.flexibleCollections),
+      )
+      .sort(Utils.getSortFunction(i18nService, "name")),
+  );
+}
+
 /**
  * Returns `true` if a user is a member of an organization (rather than only being a ProviderUser)
  * @deprecated Use organizationService.memberOrganizations$ instead