fix#491-orphan-audience orpah 청중 or 사회자 종료 상황 핸들링 - #492

fix#491-orphan-audience orpah 청중 or 사회자 종료 상황 핸들링#492

coli-geonwoo merged 7 commits into

developdebate-timer/debate-timer-fe:developfrom

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