voice: fix StreamDispatcher#pause trying to call null function
voice: fix StreamDispatcher#pause trying to call null function

Lewdcario/discord.js,hydrabolt/discord.js,Lewdcario/discord.js,SpaceEEC/discord.js,hydrabolt/discord.js,appellation/discord.js,SpaceEEC/discord.js,hydrabolt/discord.js,Lewdcario/discord.js,SpaceEEC/discord.js,appellation/discord.js,appellation/discord.js