fix: fixed permissions for read write

desktop/src-tauri/capabilities/default.json

@@ -5,6 +5,20 @@
   "permissions": [
     "core:default",
     "sql:default",
-    "sql:allow-execute"
-  ]
+    "sql:allow-execute",
+    "fs:allow-appconfig-read",
+    "fs:allow-appconfig-write"
+  ],
+  "fs": {
+    "read": {
+      "scope": [
+        "$APPCONFIG/**"
+      ]
+    },
+    "write": {
+      "scope": [
+        "$APPCONFIG/**"
+      ]
+    }
+  }
 }