fix(medusa-js): JwtTokenManager.registerJwt for store domain (#5406)

* fixed issue

* Create three-squids-add.md

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Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/medusa-js/src/resources/auth.ts

@@ -64,7 +64,7 @@ class AuthResource extends BaseResource {
     const path = `/store/auth/token`
     return this.client.request("POST", path, payload, {}, customHeaders)
       .then((res) => {
-        JwtTokenManager.registerJwt(res.data.access_token, "store");
+        JwtTokenManager.registerJwt(res.access_token, "store");
         
         return res
       });