fix: correct apiBasePath & server URL for primary and additional gateways

[Shobhajayanna]

Description

• Fix the apiBasePath for both primary and additional Gateways, and server URL for additional Gateways.
• Fix issue in the Catalog UI with reading env variable from process that was breaking the react UI from time to time.
• Create local configuration for multi-tenancy setup

Linked to #3906

Type of change

• fix: Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project
• PR title conforms to commit message guideline ## Commit Message Structure Guideline
• I have commented my code, particularly in hard-to-understand areas. In JS I did provide JSDoc
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The java tests in the area I was working on leverage @nested annotations
• Any dependent changes have been merged and published in downstream modules

For more details about how should the code look like read the Contributing guideline

[sonarqubecloud]

Quality Gate failed

Failed conditions
67.9% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
82.2% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud