fix(usermanager): Don't throw when checking if a too long user id is an existing user#52224

blizzz merged 2 commits intomasternextcloud/server:masterfrom

bugfix/noid/dont-break-when-checking-if-too-long-user-existsnextcloud/server:bugfix/noid/dont-break-when-checking-if-too-long-user-existsCopy head branch name to clipboard