Ensure that we have a valid session to access the Theme API.
If a password is provided, that token will be used against Theme Access API.
Otherwise, it will ensure that the user is authenticated with the Admin API.
Parameters
store: string
Store fqdn to request auth for.
password: string|undefined
Password generated from Theme Access app.
scopes: AdminAPIScope[] = []
Optional array of extra scopes to authenticate with.
Ensure that we have a valid session to access the Theme API. If a password is provided, that token will be used against Theme Access API. Otherwise, it will ensure that the user is authenticated with the Admin API.