Fix incorrect QoE timing after recovering from failure

[defagos]

Description

This PR fixes incorrect QoE timing after recovering from failure, the issue initially reported in #987 but not fixed by #990.

Changes made

Self-explanatory.

Checklist

• [x] APIs have been properly documented (if relevant).
• [x] The documentation has been updated (if relevant).
• [x] New unit tests have been written (if relevant).
• [x] The demo has been updated (if relevant).