fix(network): filter out localhost when identify notifies kademlia

[ShahakShama]

This change is 

[codecov]

Codecov Report

Attention: Patch coverage is 91.30435% with 2 lines in your changes missing coverage. Please review.

Project coverage is 76.79%. Comparing base (bc4fc7d) to head (618628b).
Report is 7 commits behind head on main.

Files	Patch %	Lines
crates/papyrus_network/src/discovery/kad_impl.rs	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #468      +/-   ##
==========================================
+ Coverage   76.75%   76.79%   +0.04%     
==========================================
  Files         348      348              
  Lines       36384    36297      -87     
  Branches    36384    36297      -87     
==========================================
- Hits        27926    27875      -51     
+ Misses       6135     6127       -8     
+ Partials     2323     2295      -28     

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[eitanm-starkware]

Reviewed 4 of 4 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @AlonLStarkWare)