DBG - switch off the warnings

this should give us the old behavior, more or less, and we can run the
old tests.

pkg/shell/hosts.jsx

@@ -77,7 +77,7 @@ export class CockpitHosts extends React.Component {
             edit_machine: null,
             switch_machine: null,
             error_options: null,
-            warn_before_connecting: true,
+            warn_before_connecting: false,
         };
 
         this.toggleMenu = this.toggleMenu.bind(this);