ramp down "Forgot password" disable down to 5 seconds.

app/assets/javascripts/discourse/controllers/forgot-password.js.es6

@@ -46,7 +46,7 @@ export default DiscourseController.extend(ModalFunctionality, {
       }).then(success, fail).finally(function(){
         setTimeout(function(){
           self.set('disabled',false);
-        }, 10*1000);
+        }, 5*1000);
       });
 
       return false;