fix regression on send offline features

src/components/Project/Detail/ProjectHeader.vue

@@ -255,11 +255,12 @@ export default {
           this.arraysOfflineErrors.push(feature);
         })
       );
-      this.DISPLAY_LOADER('Envoi des signalements en cours.');
+      this.$store.commit('DISPLAY_LOADER', 'Envoi des signalements en cours.');
 
       Promise.all(promises).then(() => {
-        this.$emit('update-local-storage');
-        this.$emit('retrieve-info');
+        this.$emit('updateLocalStorage');
+        this.$emit('retrieveInfo');
+        this.$store.commit('DISCARD_LOADER');
       });
     },