Bug 1704069 R[Core:DOM: Navigation]Enable test_multi_sharedWorker_lifetimes_nobfcache.html on Fission
Bug 1706404 N[Core:JavaScript Engine]Change all Get(Own)PropertyDescriptor callers to using Maybe<PropertyDescriptor>
Bug 1701346 A[Core:Storage: Quota Manager]Revert QM_OR_ELSE_WARN to ordinary orElse in places where NS_ERROR_FILE_ALREADY_EXISTS/NS_ERROR_FILE_NOT_FOUND/NS_ERROR_FILE_TARGET_DOES_NOT_EXIST needs to be just ignored
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Changes to 3 bugs - 1 fixed.