fix: check padSector Cid

[swift-mx]

No description provided.

[magik6k]

Great catch! Thanks for the PR!

[codecov]

Codecov Report

Merging #7310 (b0b016b) into master (0a04302) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #7310      +/-   ##
==========================================
- Coverage   39.14%   39.10%   -0.04%     
==========================================
  Files         614      614              
  Lines       64997    64997              
==========================================
- Hits        25440    25414      -26     
- Misses      35150    35165      +15     
- Partials     4407     4418      +11     

Impacted Files	Coverage Δ
extern/storage-sealing/states_sealing.go	38.04% <0.00%> (ø)
miner/miner.go	52.64% <0.00%> (-3.98%)	⬇️
chain/stmgr/call.go	67.87% <0.00%> (-3.64%)	⬇️
chain/types/tipset_key.go	85.96% <0.00%> (-3.51%)	⬇️
chain/sub/incoming.go	54.43% <0.00%> (-3.38%)	⬇️
storage/wdpost_sched.go	75.24% <0.00%> (-1.99%)	⬇️
chain/exchange/client.go	52.96% <0.00%> (-1.70%)	⬇️
chain/gen/gen.go	66.06% <0.00%> (-1.22%)	⬇️
chain/sync_manager.go	66.77% <0.00%> (-0.63%)	⬇️
chain/messagepool/messagepool.go	56.93% <0.00%> (-0.62%)	⬇️
... and 9 more

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