feature: add generative dashboard

[lunalzm]

Description

This change modifies the existing functionality to transform the flyout into a dedicated page jump when the "Data Insights" button is clicked. Additionally, the generative dashboard will no longer save automatically. Instead, after generating the dashboard, users will be redirected to the dashboards page where they can edit and save their modifications independently.

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test.
• New functionality has user manual doc added.
• Commits are signed per the DCO using --signoff.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov]

Codecov Report

Attention: Patch coverage is 94.44444% with 1 line in your changes missing coverage. Please review.

Project coverage is 82.13%. Comparing base (85e5a64) to head (a7e1b20).

Files with missing lines	Patch %	Lines
server/routes/text2viz_routes.ts	93.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #577      +/-   ##
==========================================
+ Coverage   82.03%   82.13%   +0.10%     
==========================================
  Files          97       97              
  Lines        2916     2933      +17     
  Branches      666      680      +14     
==========================================
+ Hits         2392     2409      +17     
  Misses        523      523              
  Partials        1        1              

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[yubonluo]

Open question: During generating a dashboard, if there is a failed visualization, could the user navigate to the dashboard page with other successful visualizations?

[lunalzm]

Open question: During generating a dashboard, if there is a failed visualization, could the user navigate to the dashboard page with other successful visualizations?

Yes, the user could navigate to the dashboard page with the successful visualizations. However, a warning toast will be displayed to inform the user about the visualizations that failed to generate. This way, the user is aware of any issues while still being able to access the functioning parts of the dashboard.