overwrites dice-overlay sse, so that only the last instance rolls the dice

src/main/kotlin/de/arindy/dicetower/DiceResource.kt

@@ -63,9 +63,7 @@ final class DiceResource(@Context val sse: Sse) {
     @Path("/stream")
     @Produces(MediaType.SERVER_SENT_EVENTS)
     fun stream(@PathParam("id") id: String, @Context sseEventSink: SseEventSink) {
-        if (!sseBroadcasters.containsKey(id)) {
-            sseBroadcasters[id] = sse.newBroadcaster()
-        }
+        sseBroadcasters[id] = sse.newBroadcaster()
         sseBroadcasters[id]?.register(sseEventSink)
     }
 
@@ -90,6 +88,6 @@ final class DiceResource(@Context val sse: Sse) {
     }
 
     @RegisterForReflection
-    data class Result(val name: String, val user: String, val themeColor: String) {}
+    data class Result(val name: String, val user: String, val themeColor: String)
 
 }