Support for the IOAM Pre-allocated Trace Option is available in Wireshark since v3.7.0.
Our patch has been merged in the upstream repository.
However, a new version has not been released since then. Thus, you need to compile from the sources to benefit from our patch. Please refer to Wireshark's developer guide for instructions on how to compile depending on your OS.
Once you have compiled Wireshark, you can test the update with the provided example capture file.