refactor(core-transactions): bootstrap transactions in batches

[spkjp]

Summary

Prevents memory spikes during bootstrap phase by loading transactions of
the same type in batches instead of all at once into memory.

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #2997 into develop will decrease coverage by 0.18%.
The diff coverage is 10.97%.

@@             Coverage Diff             @@
##           develop    #2997      +/-   ##
===========================================
- Coverage    66.05%   65.86%   -0.19%     
===========================================
  Files          420      421       +1     
  Lines        10035    10082      +47     
  Branches       509      510       +1     
===========================================
+ Hits          6629     6641      +12     
- Misses        3364     3399      +35     
  Partials        42       42

Impacted Files	Coverage Δ
...database-postgres/src/repositories/transactions.ts	24.07% <0%> (-0.46%)	⬇️
...c/repositories/transactions-business-repository.ts	87.09% <0%> (-1.43%)	⬇️
...nsactions/src/handlers/bridgechain-registration.ts	70.73% <10%> (-1.77%)	⬇️
...ansactions/src/handlers/bridgechain-resignation.ts	50% <11.11%> (-1.22%)	⬇️
...es/core-transactions/src/handlers/multi-payment.ts	77.14% <12.5%> (-1.65%)	⬇️
...trate-transactions/src/handlers/business-update.ts	26.66% <13.33%> (-3.34%)	⬇️
packages/core-transactions/src/handlers/ipfs.ts	74.07% <14.28%> (-1.93%)	⬇️
...transactions/src/handlers/business-registration.ts	68.75% <16.66%> (-2.22%)	⬇️
...-transactions/src/handlers/business-resignation.ts	56.25% <16.66%> (-1.82%)	⬇️
...transactions/src/handlers/delegate-registration.ts	43.85% <16.66%> (+0.22%)	⬆️
... and 11 more

---

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[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (develop@4953e48). Click here to learn what that means.
The diff coverage is 10.97%.

@@            Coverage Diff             @@
##             develop    #2997   +/-   ##
==========================================
  Coverage           ?   65.86%           
==========================================
  Files              ?      421           
  Lines              ?    10082           
  Branches           ?      510           
==========================================
  Hits               ?     6641           
  Misses             ?     3399           
  Partials           ?       42

Impacted Files	Coverage Δ
...database-postgres/src/repositories/transactions.ts	24.07% <0%> (ø)
...c/repositories/transactions-business-repository.ts	87.09% <0%> (ø)
...nsactions/src/handlers/bridgechain-registration.ts	70.73% <10%> (ø)
...ansactions/src/handlers/bridgechain-resignation.ts	50% <11.11%> (ø)
...es/core-transactions/src/handlers/multi-payment.ts	77.14% <12.5%> (ø)
...trate-transactions/src/handlers/business-update.ts	26.66% <13.33%> (ø)
packages/core-transactions/src/handlers/ipfs.ts	74.07% <14.28%> (ø)
...transactions/src/handlers/business-registration.ts	68.75% <16.66%> (ø)
...-transactions/src/handlers/business-resignation.ts	56.25% <16.66%> (ø)
...transactions/src/handlers/delegate-registration.ts	43.85% <16.66%> (ø)
... and 9 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4953e48...6aee57f. Read the comment docs.