Fix MalformedCSVError when previewing CSV #1116

Job	Run time
Lint SCSS / Run Stylelint	20s
Lint Ruby / Run RuboCop	18s
Run Pact tests / Verify pact tests	23s
Lint JavaScript / Run Standardx	18s
Security Analysis / Run Brakeman	10s
Test JavaScript / Run Jasmine	45s
Test Ruby / Run Minitest	3m 21s
	5m 35s

Provide feedback