* MM-5639: Write panic to log on the way out
We introduce a panic pass-through layer which logs
the panic at a critical level before crashing.
This helps customers to easily get the panic output
in their logging infrastructure, rather than having to
go through journaltctl logs.
https://mattermost.atlassian.net/browse/MM-5639
```release-note
Server crashes due to runtime panics are now captured
as a log line.
```
* re-arrange panic order
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
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