Fix Windows builds and old-driver CI tests

[zeroshade]

Summary

• use the vcpkg OpenSSL installation for Windows x64 Python wheels and reuse the initialized MSVC environment on x64 and ARM64
• avoid loading the new Node native core in old-driver reference tests
• make JDBC table-privilege assertions independent of row ordering
• tolerate structured-type session parameters that have been retired after becoming defaults

Validation

• actionlint -ignore SC2086 on the Python wheel workflow
• Gradle checkstyleTest testClasses
• Node fmt:check and lint:check
• focused TypeScript compilation of the changed Node helper
• old-driver constants test: 3 passed
• git diff --check

Windows wheel execution and credentialed JDBC integration coverage remain delegated to CI. The existing ODBC old-reference credential failures require repository-secret repair.

[Copilot]

Pull request overview

This PR updates CI/workflows and a few test utilities to improve Windows build reliability and reduce flakiness in cross-driver/reference test runs, while making JDBC integration assertions more robust across backend variations.

Changes:

• Node.js: avoid importing the new SDK entrypoint (and eagerly loading the native core) when running the “old driver” E2E reference project.
• JDBC: make table-privilege assertions insensitive to row ordering, and tolerate structured-type session parameters that may be retired once defaults change.
• CI: adjust Windows Python wheel builds to use vcpkg-provided OpenSSL and reuse the already-initialized MSVC environment across steps.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
nodejs/tests/e2e/utils/index.ts	Conditionally defers importing src/index.js so old-driver reference runs don’t load the new native core.
jdbc/src/test/java/net/snowflake/client/api/resultset/metadata/SnowflakeResultSetMetaDataImplStructuredTypesTest.java	Adds a helper to set session parameters only when supported (tolerating retired feature-gate parameters).
jdbc/src/test/java/net/snowflake/client/api/metadata/SnowflakeDatabaseMetaDataTests.java	Updates table privilege assertions to not depend on result-set row ordering.
.github/workflows/_build-python-wheels.yml	Switches Windows x64 wheels away from vendored OpenSSL, adds OpenSSL/MSVC setup steps, and reuses MSVC env during wheel build.

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