Added conditions to check role after connexion and changed guards

package-lock.json

@@ -18,6 +18,7 @@
         "@tailwindcss/postcss": "^4.1.17",
         "@tailwindcss/vite": "^4.1.17",
         "browser-image-compression": "^2.0.2",
+        "jwt-decode": "^4.0.0",
         "ng-zorro-antd": "^20.4.0",
         "postcss": "^8.5.6",
         "rimraf": "^6.1.3",
@@ -6912,6 +6913,15 @@
       ],
       "license": "MIT"
     },
+    "node_modules/jwt-decode": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jwt-decode/-/jwt-decode-4.0.0.tgz",
+      "integrity": "sha512-+KJGIyHgkGuIq3IEBNftfhW/LfWhXUIY6OmyVWjliu5KH1y0fw7VQ8YndE2O4qZdMSd9SqbnC8GOcZEy0Om7sA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/less": {
       "version": "4.4.2",
       "resolved": "https://registry.npmjs.org/less/-/less-4.4.2.tgz",