fix(interactive): Fix bug of IS_NULL check for edge property

[zhanglei1949]

As titled.

Fix #4384

[github-actions]

Please check the preview of the documentation changes at
https://183ceec5.graphscope-docs-preview.pages.dev

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 34.33%. Comparing base (c38dd7d) to head (15aec4c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4386   +/-   ##
=======================================
  Coverage   34.33%   34.33%           
=======================================
  Files         126      126           
  Lines       13257    13257           
=======================================
  Hits         4552     4552           
  Misses       8705     8705           

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