[SNOW-1843885] Fix error caused by snowpark_round

[sfc-gh-lspiegelberg]

1. Which Jira issue is this PR addressing? Make sure that there is an accompanying issue to your PR.

   Fixes SNOW-1843885.

2. Fill out the following pre-review checklist:

   • I am adding a new automated test(s) to verify correctness of my new code
     • If this test skips Local Testing mode, I'm requesting review from @snowflakedb/local-testing
   • I am adding new logging messages
   • I am adding a new telemetry message
   • I am adding new credentials
   • I am adding a new dependency
   • If this is a new feature/behavior, I'm adding the Local Testing parity changes.
   • I acknowledge that I have ensured my changes to be thread-safe. Follow the link for more information: Thread-safe Developer Guidelines

3. Please describe how your code solves the related issue.

   Fixes AST error caused by snowpark_round where due to aliasing session.ast_enabled was not properly propagated.

[sfc-gh-lspiegelberg]

Waiting for https://github.com/snowflakedb/snowpark-python/actions/runs/12149211306 to pass to confirm fix for daily pandas runner.

[sfc-gh-azhan]

Waiting for https://github.com/snowflakedb/snowpark-python/actions/runs/12149211306 to pass to confirm fix for daily pandas runner.

You can try it locally and just rerun that test.

[sfc-gh-lspiegelberg]

Waiting for https://github.com/snowflakedb/snowpark-python/actions/runs/12149211306 to pass to confirm fix for daily pandas runner.

You can try it locally and just rerun that test.

Already did that before submitting a PR :)