ui: window/{AddWebauthn, TfaEdit}: fix spacing/border of the windows

the password field should not be indented differently than the rest of
the fields, and we never have a border on the panels

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

www/window/TfaEdit.js

@@ -75,7 +75,6 @@ Ext.define('PBS.window.TfaEdit', {
 	    name: 'password',
 	    allowBlank: false,
 	    validateBlank: true,
-	    padding: '0 0 5 5',
 	    emptyText: gettext('verify current password'),
 	},
     ],