feat: better user switching code

wp-content/themes/ccat/server/api/switch-back.post.ts

@@ -3,17 +3,14 @@ import { defineEventHandler } from "h3";
 export default defineEventHandler(async (event) => {
   try {
     const response = await useGraphqlMutation("userSwitchBack");
-
     if (response.errors?.length) {
-      throw new Error(response.errors[0]?.message || "Switch back failed");
+      throw new Error(response.errors[0]?.message);
     }
-
     await clearUserSession(event);
-
     return { success: true };
   }
   catch (error) {
-    const message = error instanceof Error ? error.message : "Switch back failed";
+    const message = error instanceof Error ? error.message : "Échec du retour à l'utilisateur précédent";
     return { success: false, message };
   }
 });