JAVA-6099 Add new fields for Auto embedding

[strogiyotec]

JAVA-6099
The doc in JIRA list new fields that must be supported by the drivers
but because the Search index doesn't use builders, java driver makes it possible to use new fields without changing API
As part of this PR I added a new unit test to disabled test class and enabled it locally for testing
The reason it's disabled is

1. This class was created to add support for queryText index that was only available in custom docker image ,right now it's available in community edition so we have to adjust evergreen first
2. New Search Index fields are only available in Atlas and are not in public preview yet, I had to use specific cluster in Atlas QA environment
   For other details please check the JIRA ticket comment

[codeowners-service-app]

Assigned atandon2024 for team dbx-java because rozza is out of office.

[Copilot]

Pull request overview

Adds functional coverage for new Atlas Search “autoEmbed” index fields and related vector search behaviors in the sync driver test suite (JAVA-6099), primarily by expanding the existing automated-embedding functional test class.

Changes:

• Adds new functional tests for auto-embedding search index creation scenarios (quantization variants, filter fields, invalid configurations).
• Adds query coverage for model override and exact vector search options.
• Introduces a disabled (intended-to-skip) test case for numDimensions on autoEmbed.

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[rozza]

LGTM

[vbabanin]

LGTM!

[vbabanin]

Do we need to extend OperationTest?

OperationTest has a @BeforeEach that calls CollectionHelper.drop(getNamespace()). With @TestInstance(PER_CLASS), JUnit 5 still invokes inherited @BeforeEach before each test method - so when Assumptions.assumeTrue(false) is removed (TODO-JAVA-6059), the collection will be dropped before each test.