feat: support event inc window state

[Yisaer]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 57.50000% with 34 lines in your changes missing coverage. Please review.

Project coverage is 71.33%. Comparing base (b15cd40) to head (8516042).

Files with missing lines	Patch %	Lines
internal/topo/node/window_inc_agg_event_op.go	57.50%	30 Missing and 4 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3446      +/-   ##
==========================================
- Coverage   71.39%   71.33%   -0.06%     
==========================================
  Files         412      412              
  Lines       47275    47336      +61     
==========================================
+ Hits        33751    33764      +13     
- Misses      10893    10932      +39     
- Partials     2631     2640       +9     

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