proxy: fix the proxy using a ctx value with a cancel that it shouldn'…

…t have

proxy/api.go

@@ -16,6 +16,13 @@ func (srv *Server) SourceStream(ctx context.Context) (eventstream.Stream[radio.P
 }
 
 func (srv *Server) KickSource(ctx context.Context, id radio.SourceID) error {
+	// make the ctx not have a cancel, this is a very specific behavior to this API
+	// because it spins off a goroutine that also gets the ctx, but once we return
+	// from this function the ctx gets canceled and everything in said goroutine fails
+	//
+	// also this function call is basically non-reverseable so having it be cancelable by
+	// the ctx doesn't make sense.
+	ctx = context.WithoutCancel(ctx)
 	return srv.proxy.RemoveSourceClient(ctx, id)
 }