[BACKPORT/20.11.x] Storage checkpoint fixes

[kostko]

Backports the following fixes related to storage node checkpoint sync:

• go/storage/mkvs: Add node tracking to chunk restore #3285
• go: Add checkpointer control options to storage worker and consensus #3326
• Storage checkpoint restore related fixes #3331

[codecov]

Codecov Report

Merging #3411 into stable/20.11.x will decrease coverage by 0.01%.
The diff coverage is 70.78%.

@@                Coverage Diff                 @@
##           stable/20.11.x    #3411      +/-   ##
==================================================
- Coverage           65.53%   65.52%   -0.02%     
==================================================
  Files                 370      370              
  Lines               33091    33223     +132     
==================================================
+ Hits                21686    21768      +82     
- Misses               8214     8258      +44     
- Partials             3191     3197       +6     

Impacted Files	Coverage Δ
go/consensus/tendermint/abci/mux.go	50.46% <ø> (-2.26%)	⬇️
go/storage/mkvs/cache.go	78.40% <0.00%> (-0.75%)	⬇️
go/storage/mkvs/checkpoint/checkpoint.go	91.66% <ø> (ø)
go/storage/mkvs/checkpoint/chunk.go	62.36% <33.33%> (-1.38%)	⬇️
go/storage/mkvs/db/api/api.go	54.16% <33.33%> (-4.93%)	⬇️
go/storage/mkvs/checkpoint/restorer.go	91.48% <50.00%> (-0.52%)	⬇️
go/worker/storage/committee/checkpoint_sync.go	78.96% <56.75%> (-0.51%)	⬇️
go/storage/mkvs/commit.go	74.56% <60.00%> (-1.12%)	⬇️
go/storage/mkvs/db/badger/badger.go	68.27% <68.51%> (+0.81%)	⬆️
go/worker/storage/committee/node.go	73.61% <80.00%> (+0.17%)	⬆️
... and 37 more

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