fix: bitswap simplify cancel

[guillaumemichel]

• refactor to simplify peerWantManager.sendCancels

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.46%. Comparing base (d678ff8) to head (42df060).
Report is 1 commits behind head on main.

@@            Coverage Diff             @@
##             main     #824      +/-   ##
==========================================
+ Coverage   60.40%   60.46%   +0.06%     
==========================================
  Files         244      244              
  Lines       31081    31079       -2     
==========================================
+ Hits        18773    18791      +18     
+ Misses      10628    10611      -17     
+ Partials     1680     1677       -3     

Files with missing lines	Coverage Δ
...wap/client/internal/peermanager/peerwantmanager.go	88.25% <100.00%> (-0.09%)	⬇️

... and 13 files with indirect coverage changes