* ComicInfo::getTypeString: Add default return for unhandled enum
* CXX flags: Promote warnings about missing branches in enum-based switches as errors
* Add missing case in switch
* Catch conversion errors in debug mode and silence missing return warnings
* Replace default with missing cases
* ComicInfo::getTypeString: Use QStringLiterals
* Revert "CXX flags: Promote warnings about missing branches in enum-based switches as errors"
This reverts commit d22c1159255e3b32ab43a30eaab450d9937136c6.
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Co-authored-by: Luis Ángel San Martín <luisangelsm@gmail.com>