fixed swarm event tracking bug

[sh3ll3x3c]

• Swarm event tracking is now properly done using adequate hashmap
• Routing updated events are not tracked anymore
• add_address operation is now fully async

[codecov-commenter]

Codecov Report

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

Comparison is base (6ab5af9) 36.04% compared to head (0468fa0) 36.08%.

Files	Patch %	Lines
src/network/p2p/client.rs	0.00%	5 Missing ⚠️
src/network/p2p/event_loop.rs	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #401      +/-   ##
==========================================
+ Coverage   36.04%   36.08%   +0.03%     
==========================================
  Files          38       38              
  Lines       13525    13511      -14     
==========================================
  Hits         4875     4875              
+ Misses       8650     8636      -14     

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