ui: add shell panel under administration

some users prefer an inline console
we still have the pop-out console in 'Administration'

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

www/panel/XtermJsConsole.js

@@ -0,0 +1,25 @@
+Ext.define('PBS.panel.XtermJsConsole', {
+    extend: 'Ext.panel.Panel',
+    alias: 'widget.pbsXtermJsConsole',
+
+    layout: 'fit',
+
+    items: [
+	{
+	    xtype: 'uxiframe',
+	    itemId: 'iframe',
+	},
+    ],
+
+    listeners: {
+	'afterrender': function() {
+	    let me = this;
+	    let params = {
+		console: 'shell',
+		node: 'localhost',
+		xtermjs: 1,
+	    };
+	    me.getComponent('iframe').load('/?' + Ext.Object.toQueryString(params));
+	},
+    },
+});