internal/pipewire: treat unknown opcode as fatal

Skipping events can cause local state to diverge from the server.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pipewire/core.go

@@ -764,7 +764,7 @@ func (core *Core) consume(opcode byte, files []int, unmarshal func(v any)) error
 		return proxy.setBoundProps(&boundProps)
 
 	default:
-		return &UnsupportedOpcodeError{opcode, core.String()}
+		panic(&UnsupportedOpcodeError{opcode, core.String()})
 	}
 }
 
@@ -831,7 +831,7 @@ func (registry *Registry) consume(opcode byte, files []int, unmarshal func(v any
 		return nil
 
 	default:
-		return &UnsupportedOpcodeError{opcode, registry.String()}
+		panic(&UnsupportedOpcodeError{opcode, registry.String()})
 	}
 }