Merge branch 'redmine-issues/14451' into 'develop'

REDMINE_ISSUE-14451|Déconnecté - détection offline trop lente

See merge request geocontrib/geocontrib-frontend!459

src/main.js

@@ -44,7 +44,7 @@ const onConfigLoaded = function(config){
   store.commit('SET_CONFIG', config);
   setInterval(() => { //* check if navigator is online
     store.commit('SET_IS_ONLINE', navigator.onLine);
-  }, 10000);
+  }, 2000);
 
   // set title and favico
   document.title = `${config.VUE_APP_APPLICATION_NAME} ${config.VUE_APP_APPLICATION_ABSTRACT}`;