SK-2571 implement changes suggested in render zip design doc along with the unit test cases

[skyflow-bharti]

Why:
Address the feedback on zip render file from Design doc:

1. update the styles names according to zip feature
2. add listener for sending metadata of selected file
3. Unit tests for the changes done in beta release

[github-actions]

🔐 Gitleaks Findings: 1 issue(s) detected

🔸 Rule: generic-api-key
📄 File: tests/core/internal/reveal/reveal-frame.test.js:null
📝 Description: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.
🔑 Secret: **********
🔗 Path: tests/core/internal/reveal/reveal-frame.test.js:null

[github-actions]

Semgrep Findings: Issues with Error level severity are found (Error is Highest severity in Semgrep), Please resolve the issues before merging.

[github-actions]

🔐 Gitleaks Findings: 1 issue(s) detected

🔸 Rule: generic-api-key
📄 File: tests/core/internal/reveal/reveal-frame.test.js:null
📝 Description: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.
🔑 Secret: **********
🔗 Path: tests/core/internal/reveal/reveal-frame.test.js:null

[github-actions]

Semgrep Findings: Issues with Error level severity are found (Error is Highest severity in Semgrep), Please resolve the issues before merging.