[SELC-6141] feat: change getContract for aggregators

[giulia-tremolada]

List of Changes

• change getContractTemplatePath for aggregators with InstitutionAggregatorContractTemplate path value
• change getContractTemplateVersion for aggregators with InstitutionAggregatorContractTemplate version value

Motivation and Context

This update introduces changes to distinguish aggregator contract templates from standard contract templates. This differentiation ensures proper handling and identification of templates based on their specific use case.

How Has This Been Tested?

It was tested locally.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud