assistant2: Add create-file and copy-path tools to the "Code Writer" profile (#27432)

This PR adds the `create-file` and `copy-path` tools to the "Code
Writer" profile.

Release Notes:

- N/A

assets/settings/default.json

@@ -633,6 +633,8 @@
         "name": "Code Writer",
         "tools": {
           "bash": true,
+          "copy-path": true,
+          "create-file": true,
           "delete-path": true,
           "diagnostics": true,
           "edit-files": true,