[#2640] Use separate field for storing long case result descriptions #7165

Job	Run time
Build and check documentation	2m 37s
End-to-end tests, chromium	4m 13s
End-to-end tests, firefox	4m 57s
End-to-end tests, webkit	5m 18s
Run the Django test suite (main)	19m 42s
End-to-end tests, msedge	4m 29s
Run the Django test suite (elastic)	5m 27s
Build (and push) Docker image	1m 52s
Upload coverage information to codecov	15s
	48m 50s

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