Creating a server without password fails

[MarcHarriss]

Creating a server with: gscloud server create --name test-1 --cores=1 --mem=1 --with-template="CentOS 8 (x86_64)" --hostname test-1

fails with
Server created: 1020a40a-f1d5-42da-8d65-877e9c159e94
Failed generating password: number of digits and symbols must be less than total length

according to @bkircher this is because if you leave the --password flag, a password is automatically generated - and the generated password doesn't pass the API requirements.

we expect to return the password, and the storage UUID