Fix read_ regex on export

[ahuang11]

With the new sqlglot changes, it converted read_csv to READ_CSV

Which caused downloading the file and running the cells to output:
IOException: IO Error: No files found that match the pattern "passengers.csv"

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.51%. Comparing base (1dd6cee) to head (52e9ef8).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1064   +/-   ##
=======================================
  Coverage   57.51%   57.51%           
=======================================
  Files         109      109           
  Lines       14291    14291           
=======================================
  Hits         8220     8220           
  Misses       6071     6071           

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