feat(jellyfish-api-core): add masternode isAppliedCustomTransaction RPC

[chanakasameera]

What this PR does / why we need it:
Checks that custom transaction was affected on chain

Which issue(s) does this PR fixes?:
Added isAppliedCustomTransaction rpc as part of ongoing #48

[codeclimate]

Code Climate has analyzed commit bf27cd8 and detected 0 issues on this pull request.

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[codecov]

Codecov Report

Merging #957 (bf27cd8) into main (36712ed) will decrease coverage by 0.91%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #957      +/-   ##
==========================================
- Coverage   95.53%   94.62%   -0.92%     
==========================================
  Files         158      158              
  Lines        4820     4822       +2     
  Branches      634      634              
==========================================
- Hits         4605     4563      -42     
- Misses        208      246      +38     
- Partials        7       13       +6     

Impacted Files	Coverage Δ
...ages/jellyfish-api-core/src/category/masternode.ts	100.00% <100.00%> (ø)
apps/ocean-api/src/modules/BlockchainCppModule.ts	50.00% <0.00%> (-38.24%)	⬇️
...s/ocean-api/src/controllers/filters/ErrorFilter.ts	6.55% <0.00%> (-37.71%)	⬇️
packages/jellyfish-address/src/p2pkh.ts	66.66% <0.00%> (-33.34%)	⬇️
apps/ocean-api/src/modules/ActuatorModule.ts	66.66% <0.00%> (-33.34%)	⬇️
...ps/ocean-api/src/controllers/ActuatorController.ts	66.66% <0.00%> (-33.34%)	⬇️
packages/jellyfish-crypto/src/bech32.ts	79.16% <0.00%> (-20.84%)	⬇️
...transaction-builder/src/txn/txn_builder_oracles.ts	87.50% <0.00%> (-12.50%)	⬇️
...ages/jellyfish-api-core/src/category/blockchain.ts	87.87% <0.00%> (-12.13%)	⬇️
.../src/containers/RegTestContainer/ContainerGroup.ts	87.23% <0.00%> (-8.52%)	⬇️
... and 4 more

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[chee-chyuan]

LGTM

[surangap]

added some comments.

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