[SELC-7282] feat: Refactored logic for import aggregator

[giampiero-ferrara]

List of Changes

Added new logic for import of aggregator
Added custom exception
Refactored startedOnboardingOrchestration
Removed timeout of orchestrator
Added OrchestratorService
Replaced log instance with lombok

Motivation and Context

How Has This Been Tested?

local - dev

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
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
96.8% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud