Fix DefaultShardManagerBuilder#setDisabledIntents (#2785)

Continuation of ee7b6b9

Author: freya022

src/main/java/net/dv8tion/jda/api/sharding/DefaultShardManagerBuilder.java

@@ -2018,7 +2018,7 @@ public DefaultShardManagerBuilder setDisabledIntents(@Nullable Collection<Gatewa
     {
         this.intents = GatewayIntent.ALL_INTENTS;
         if (intents != null)
-            this.intents = 1 | ~GatewayIntent.getRaw(intents);
+            this.intents = 1 | (GatewayIntent.ALL_INTENTS & ~GatewayIntent.getRaw(intents));
         return this;
     }