fix: typo in cors_domains variable name

[mnguyen081002]

No description provided.

[zhenghaoz]

Thank you!

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 66.45%. Comparing base (3cfb6b2) to head (c1d6363).

Files	Patch %	Lines
server/rest.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #836   +/-   ##
=======================================
  Coverage   66.45%   66.45%           
=======================================
  Files          75       75           
  Lines       13238    13238           
=======================================
  Hits         8797     8797           
- Misses       3624     3625    +1     
+ Partials      817      816    -1     

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