copy form/ContentTypeSelector.js from manager to manager5

www/manager5/form/ContentTypeSelector.js

@@ -0,0 +1,22 @@
+Ext.define('PVE.form.ContentTypeSelector', {
+    extend: 'PVE.form.KVComboBox',
+    alias: ['widget.pveContentTypeSelector'],
+  
+    cts: undefined,
+
+    initComponent: function() {
+	var me = this;
+
+	me.data = [];
+
+	if (me.cts === undefined) {
+	    me.cts = ['images', 'iso', 'vztmpl', 'backup', 'rootdir'];
+	}
+
+	Ext.Array.each(me.cts, function(ct) {
+	    me.data.push([ct, PVE.Utils.format_content_types(ct)]);
+	});
+
+	me.callParent();
+    }
+});