Open-Xchange: Failed assert in `mail_index_transaction_lookup`

To reproduce, run test suite on following input : require"vnd.dovecot.testsuite";require "fileinto";require "mailbox";test"" fileinto:create "Folder"; if testresultexecute testmessage:folder "Folder" 2; Output is with ASAN enabled stack trace testsuite: Panic: file mail-index-transaction-update.c...