Add support for searching data sets

[zFernand0]

Is your feature or enhancement request related to a problem or limitation? Please describe

Python SDK users have to run CLI commands to search data sets 😢

Describe your enhancement idea

It would be awesome to natively support searching data sets, perhaps via some Files.search_data_set functionality.

Describe alternatives you've considered

Run CLI command:

• zowe files search

Provide any additional context

This came up while discussing:

• pyzowe wrapper suggestion zowe-cli-sample-scripts#56

[github-actions]

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