Fix RatingId extraction to handle missing package-family separator#855

Klocman merged 2 commits intoKlocman:masterKlocman/Bulk-Crap-Uninstaller:masterfrom

tsiakoulias:bugfix-storeappfactory-ratingid-underscore-guardtsiakoulias/Bulk-Crap-Uninstaller:bugfix-storeappfactory-ratingid-underscore-guardCopy head branch name to clipboard