Unexpected shut down of retired stake pool

[dkijania]

Describe the bug
For topology like below:

when send retire stake pool certificate for leader3, node unexpectedly is shutdown.
Logs:
retire_stake_pool_explorer.zip

Mandatory Information

1. jcli --full-version output;
2. jormungandr --full-version output;

To Reproduce
cargo run -- --scenario retire_stake_pool_explorer --root-dir retire_stake --document

[mzabaluev]

The root cause is a panic also observed in #2147.

This issue, then, is about improving the diagnostics so that the cause of shutting down is reflected in the logs.

[eugene-babichenko]

With #2812 it outputs a proper error.