chore(contract)(sdk): Stop supporting unused arrays in Registries

[satyajeetkolhapure]

What does this PR do?

Removed the usage of onchain counter from entities.
Updated sdk to use subgraph instead.

Related ticket

Fixes #788

Type of change

• Chore
• Bug fix
• New feature
• Documentation update

Check list

• Unit tests for any smart contract change
• Contracts and functions are documented

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 37.50000% with 10 lines in your changes missing coverage. Please review.

Project coverage is 74.88%. Comparing base (af2042b) to head (b497da5).
Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
sdk/src/dataMapper/ModuleDataMapper.ts	0.00%	8 Missing ⚠️
sdk/src/dataMapper/PortalDataMapper.ts	0.00%	1 Missing ⚠️
sdk/src/dataMapper/SchemaDataMapper.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              dev     #799       +/-   ##
===========================================
+ Coverage   46.80%   74.88%   +28.08%     
===========================================
  Files          18       49       +31     
  Lines         391      888      +497     
  Branches       59      182      +123     
===========================================
+ Hits          183      665      +482     
- Misses        205      220       +15     
  Partials        3        3               

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