## Summary
This fixes the infinite loop reported in #14389 by raising an error to
the user about conflicting ICN001 (`unconventional-import-alias`) and
I002 (`missing-required-import`) configuration options.
## Test Plan
Added a CLI integration test reproducing the old behavior and then
confirming the fix.
Closes#14389
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Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>