vnc scaling: still fallback to old default value if not set

as else we change behavior for those who never set the new scaling
variable, or cleared the browser local store.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

www/manager6/Utils.js

@@ -967,7 +967,7 @@ Ext.define('PVE.Utils', { utilities: {
 	    vmid: vmid,
 	    vmname: vmname,
 	    node: nodename,
-	    resize: sp.get('novnc-scaling'),
+	    resize: sp.get('novnc-scaling', 'off'),
 	    cmd: cmd
 	});
 	var nw = window.open("?" + url, '_blank', "innerWidth=745,innerheight=427");

www/manager6/VNCConsole.js

@@ -47,7 +47,7 @@ Ext.define('PVE.noVncConsole', {
 			vmid: me.vmid,
 			node: me.nodename,
 			cmd: me.cmd,
-			resize: sp.get('novnc-scaling'),
+			resize: sp.get('novnc-scaling', 'scale'),
 		    };
 		    queryDict[type] = 1;
 		    PVE.Utils.cleanEmptyObjectKeys(queryDict);