Add support for Agent Identity in BI

[dan-niles]

Problem

With the introduction of Agent Identity support in Ballerina, we need to ensure that the low-code experience in BI fully supports and aligns with this capability.

Proposal: https://github.com/kalaiyarasiganeshalingam/ballerina-spec/blob/dfb9f03ce77a0cd4cd733cb13a3d047f2f32010c/stdlib/proposals/ai/agent_identity_in_bi.md

Proposed Solution

WIP

Alternatives

No response

Version

No response