fix: request to be member in notification list open creation request dialog

src/app/features/preservation-space/organizational-unit/components/routables/orgunit-list/orgunit-list.routable.ts

@@ -133,7 +133,7 @@ export class OrgunitListRoutable extends SharedAbstractListRoutable<Organization
       },
       {
         logo: IconNameEnum.sendRequest,
-        callback: model => this.requestCreationOrgUnit(),
+        callback: model => this.requestToBeMember(model.resId),
         placeholder: MARK_AS_TRANSLATABLE("organizationalUnit.requestToBeMember"),
         displayOnCondition: model => !this._securityService.isRootOrAdmin() && !this._securityService.isMemberOfOrgUnit(model.resId),
       },