feat: support ppl data grid type in save to notebook function

[raintygao]

Description

support ppl data grid type in save to notebook function

Issues Resolved

[List any issues this PR will resolve]

Check List

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

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (510b685) 93.26% compared to head (9ace4d9) 93.14%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #93      +/-   ##
==========================================
- Coverage   93.26%   93.14%   -0.13%     
==========================================
  Files          46       46              
  Lines        1218     1255      +37     
  Branches      291      298       +7     
==========================================
+ Hits         1136     1169      +33     
- Misses         80       84       +4     
  Partials        2        2              

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[wanglam]

@raintygao Since we added a new content type 'ppl_data_grid', shall we add this content type support in the message content?

[raintygao]

@raintygao Since we added a new content type 'ppl_data_grid', shall we add this content type support in the message content?

Yes, @SuZhou-Joe will work on that.