restore mercure connection

plugins/sse.client.ts

@@ -12,7 +12,7 @@ import {AnyJson} from "~/types/data";
 export default defineNuxtPlugin(nuxtApp => {
     const runtimeConfig = useRuntimeConfig()
 
-    if (!runtimeConfig.baseUrlMercure) {
+    if (!runtimeConfig.public.baseUrlMercure) {
         console.error('Mercure : the hub url is not defined')
         return;
     }
@@ -28,7 +28,7 @@ export default defineNuxtPlugin(nuxtApp => {
     }
 
     const sseSource = new SseSource(
-        runtimeConfig.baseUrlMercure,
+        runtimeConfig.public.baseUrlMercure,
         "access/" + accessProfile.id,
         onOpen,
         onMessage,