Use only one request to save/update tests

[utkarsh-dixit]

Earlier, we used to allow saving/updating tests without asking the user to login from the recorder. The legacy flow use to look like this,

1. Saving/Updating test will create a temporary record in backend through /save.temp API.
2. User would be redirection app.crusher.dev/tests page and once user is Authorised it will create/update the test.

With the new v1.0.5 release, the user is asked to login/connect to cloud account so the legacy workflow is no longer needed. We now only need to call one API, instead of two