chore: adding context on connection to self

[Freyskeyd]

Description

We saw some weird connection of one node to himself, leading to warnings. This PR aims to add some logs to find out why it is happening.

PR Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added or updated tests that comprehensively prove my change is effective or that my feature works

[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (e1b2ccf) 65.64% compared to head (effcc24) 65.65%.

Files	Patch %	Lines
crates/topos-p2p/src/runtime/handle_event.rs	64.28%	5 Missing ⚠️
crates/topos-tce/src/lib.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #411   +/-   ##
=======================================
  Coverage   65.64%   65.65%           
=======================================
  Files         223      223           
  Lines       11888    11900   +12     
=======================================
+ Hits         7804     7813    +9     
- Misses       4084     4087    +3     

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