Blockchain:hash returns incorrect hash

[Incede]

What was the problem?

This PR resolves #9148

How was it solved?

Fixed incorrect read of database stream

How was it tested?

Under examples app pos-mainchain
./bin/run blockchain hash -d ~/.lisk/pos-mainchain

[codecov]

Codecov Report

Merging #9150 (5c025f0) into hotfix/6.0.1 (f825978) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@              Coverage Diff              @@
##           hotfix/6.0.1    #9150   +/-   ##
=============================================
  Coverage         83.51%   83.52%           
=============================================
  Files               606      606           
  Lines             22826    22827    +1     
  Branches           3364     3364           
=============================================
+ Hits              19064    19066    +2     
+ Misses             3762     3761    -1     

Files	Coverage Δ
...nder/src/bootstrapping/commands/blockchain/hash.ts	94.28% <100.00%> (+0.16%)	⬆️

... and 1 file with indirect coverage changes

[shuse2]

did we test this on mainnet data? I think we might need to chunk the data for whole db iteration

[Incede]

did we test this on mainnet data? I think we might need to chunk the data for whole db iteration

With the mainnet data here it takes ~2mins16sec on macOs M1 to complete and produce the output hash.