Use format of wrapping node when pasting plain text

[jpenna]

closes https://github.com/AppFlowy-IO/appflowy-editor/issues/688

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 74.93%. Comparing base (c25ae11) to head (bbaa546).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #692      +/-   ##
==========================================
+ Coverage   74.79%   74.93%   +0.13%     
==========================================
  Files         313      313              
  Lines       14260    14271      +11     
==========================================
+ Hits        10666    10694      +28     
+ Misses       3594     3577      -17     

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[jpenna]

Could you run the checks again, please? I think they failed because I force pushed while they were running.