fix: remove duplicated certificate push on gossipsub

[hadjiszs]

Description

The initial sender is supposed to be the only one to publish the Certificate on the gossipsub topic topos_gossip. The initial sender is the one who receives the Certificate from the gRPC API and not from gossipsub.

The rework on the storage by moving the management of the pending and precedence pool on the storage layer introduced the loss of the origin of the Certificate (whether it is received from gossipsub or grpc), consequently, the message was pushed by everyone on the topos_gossip topic on both cases since this storage rework.

Additions and Changes

• Before (default config, see here)
  • Author based message id: (PeerId, nonce), so we had as many duplicate of Certificate as the number of peers
• After
  • Content based message id: hash(payload), consequently the other peers will detect the payload being the same, so it will not be published nor downloaded multiple times

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

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (edf86ee) 0.00% compared to head (c5598c6) 70.99%.
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##           main     #458       +/-   ##
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+ Coverage      0   70.99%   +70.99%     
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  Files         0      223      +223     
  Lines         0    12285    +12285     
=========================================
+ Hits          0     8722     +8722     
- Misses        0     3563     +3563     

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