refactor(network): rename BroadcastedMessageManager to BroadcastedMessageMetadata

[ShahakShama]

This change is 

[matan-starkware]

Reviewed 11 of 11 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ShahakShama)

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 30.90%. Comparing base (b0cfe82) to head (0d39239).
Report is 201 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/papyrus_network/src/network_manager/mod.rs	66.66%	1 Missing and 1 partial ⚠️
crates/mempool_p2p_types/src/communication.rs	0.00%	1 Missing ⚠️
...papyrus_network/src/network_manager/swarm_trait.rs	0.00%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (b0cfe82) and HEAD (0d39239). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (b0cfe82)	HEAD (0d39239)
	3	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1144       +/-   ##
===========================================
- Coverage   74.18%   30.90%   -43.29%     
===========================================
  Files         359       81      -278     
  Lines       36240     9203    -27037     
  Branches    36240     9203    -27037     
===========================================
- Hits        26886     2844    -24042     
+ Misses       7220     6245      -975     
+ Partials     2134      114     -2020     

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