[MCC-1493223] Python SDK-Update Get Studies Function

[afieraru-mdsol]

feature/bug/enhance/refactor/tech_debt/hotfix

• Replace this line with Project title.
• MCC-1493223

Checklist

• Review the pull request to fix typos and ensure variable/function names are intuitive, etc.
• Make sure the pull request does not have excessive number of unnecessary commits. Utilize the git commit --amend --no-edit command to reduce commit messages when making small file changes (like changing linespacing).
• Make sure you have added unit tests for the code changes. Tests should be added in the tests/ folder.
• Modify docs, if required. Add any new documentation in the doc/ folder.
• Rebase on latest active development branch (develop/main).

Changes Summary

This PR updates the Python SDK’s get_studies API to return both the list of studies and the server-reported total count, aligning it more closely with other list-style responses.

Changes:

• Introduces a new StudiesResult model (total + studies) and updates get_studies to return it.
• Updates the public client/service interfaces to reflect the new return type.
• Updates README usage example and adjusts (commented) tests to the new contract.

[Copilot]

Pull request overview

This PR updates the Python SDK’s get_studies API to return both the list of studies and the server-reported total count, aligning it more closely with other list-style responses.

Changes:

• Introduces a new StudiesResult model (total + studies) and updates get_studies to return it.
• Updates the public client/service interfaces to reflect the new return type.
• Updates README usage example and adjusts (commented) tests to the new contract.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
dataconnect/models.py	Adds StudiesResult dataclass to represent get_studies results with total count.
dataconnect/service/default.py	Changes get_studies implementation to return StudiesResult and compute total.
dataconnect/service/base.py	Updates abstract service interface return type for get_studies.
dataconnect/client.py	Updates public client get_studies return type.
README.md	Updates quick-start example to use result.total and result.studies.
tests/test_service_default.py	Updates expected behavior for get_studies (but tests remain commented out).

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