copy form/CompressionSelector.js from manager to manager5

www/manager5/form/CompressionSelector.js

+Ext.define('PVE.form.CompressionSelector', {
+    extend: 'PVE.form.KVComboBox',
+    alias: ['widget.pveCompressionSelector'],
+  
+    initComponent: function() {
+	var me = this;
+
+        me.data = [ 
+	    ['', PVE.Utils.noneText],
+	    ['lzo', 'LZO (' + gettext('fast') + ')'],
+	    ['gzip', 'GZIP (' + gettext('good') + ')']
+	];
+
+	me.callParent();
+    }
+});