Fix AI API export import flow when multiple endpoints and AI policies have been attached

[ashera96]

Description

Need to fix the AI API export import flow as follows:

• Exported API should have the endpoint name alongside the endpoint ID within the AI policy configuration string
• API import flow should rely on the name rather than the endpoint ID

Steps to Reproduce

1. Create an AI API
2. Add multiple endpoints
3. Add an AI policy
4. Export API
5. Import the API

Version

4.5.0

Environment Details (with versions)

No response