use LinkAccess definition

Use `LinkAccess` within the `GetFileResponse` content.

Author: donny-dont

openapi/openapi.yaml

@@ -8640,7 +8640,7 @@ components:
                   $ref: "#/components/schemas/Style"
                 description: A mapping from style IDs to style metadata.
               linkAccess:
-                type: string
+                $ref: "#/components/schemas/LinkAccess"
                 description: The share permission level of the file link.
               mainFileKey:
                 type: string