[Search] Reenable and rerecord tests that require storage account access

[kinelski]

The following tests have been disabled in playback mode since they require storage account access to be rerecorded:

• CreateAzureBlobIndexer
• CrudDataSourceConnection
• CrudSkillset
• RoundtripAllSkills
• CreateIndexerAsync (sample)

These are expected to work if rerecorded using our TME subscription. Another option we could explore would be updating the tests to use identity-based authentication instead.