fix: Compilation errors in `ParseLiveQuery` using `Starscream` 4.0.6 #457

Job	Run time
docs	2m 40s
tests (test:ios)	9m 22s
tests (test:macos)	8m 31s
tests (test:facebook_utils:ios)	8m 6s
tests (test:twitter_utils:ios)	8m 10s
tests (test:parseui:all)	11m 11s
tests (test:parse_live_query:all)	8m 24s
tests (build:starters)	9m 38s
	1h 6m 2s

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