chat filter: add option to filter login notifications

Co-authored-by: gregg1494 <gregg1494@gmail.com>

runelite-client/src/main/java/net/runelite/client/plugins/chatfilter/ChatFilterConfig.java

@@ -86,4 +86,15 @@ public interface ChatFilterConfig extends Config
 	{
 		return false;
 	}
+
+	@ConfigItem(
+		keyName = "filterLogin",
+		name = "Filter Logged In/Out Messages",
+		description = "Filter your private chat to remove logged in/out messages",
+		position = 6
+	)
+	default boolean filterLogin()
+	{
+		return false;
+	}
 }

runelite-client/src/main/java/net/runelite/client/plugins/chatfilter/ChatFilterPlugin.java

@@ -116,6 +116,13 @@ public class ChatFilterPlugin extends Plugin
 			case MODPRIVATECHAT:
 			case FRIENDSCHAT:
 				break;
+			case LOGINLOGOUTNOTIFICATION:
+				if (config.filterLogin())
+				{
+					// Block the message
+					intStack[intStackSize - 3] = 0;
+				}
+				return;
 			default:
 				return;
 		}