utils/ui: enable auto-bypass of stdin check
utils/ui: enable auto-bypass of stdin check

CI environments tend to open stdin to provide behavior identical to the user's
machine. We do not want this in case of required user input.
This commit shuts down reading from stdin when we detect the
environment variable CI.


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PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild