refactor: lower chances "recent" items are generated

Author: ThorstenSuckow

src/data/MessageItemSim.js

@@ -1,7 +1,7 @@
 /**
  * conjoon
  * extjs-dev-webmailsim
- * Copyright (C) 2020-2022 Thorsten Suckow-Homberg https://github.com/conjoon/extjs-dev-webmailsim
+ * Copyright (C) 2020-2023 Thorsten Suckow-Homberg https://github.com/conjoon/extjs-dev-webmailsim
  *
  * Permission is hereby granted, free of charge, to any person
  * obtaining a copy of this software and associated documentation
@@ -465,7 +465,8 @@ Ext.define("conjoon.dev.cn_mailsim.data.MessageItemSim", {
             me = this,
             MessageTable = conjoon.dev.cn_mailsim.data.table.MessageTable;
 
-        if (ctx.url.indexOf("/MessageItems?") !== -1 && ctx.params.filter) {
+        if (MessageTable.buildRandomNumber(0, 1) === 1 &&
+            ctx.url.indexOf("/MessageItems?") !== -1 && ctx.params.filter) {
             MessageTable.addRecentItems(
                 MessageTable.buildRandomNumber(0, 2),
                 me.extractCompoundKey(ctx.url).mailFolderId