Vb/fix flaky tests vb plt 1449 2

[vbrodsky]

Description

Addressed flaky tests as described below:

• ltest_user_management - rewrote using user invitation fixtures instead of removing all invitations in the organization fixture
• embeddings - fixed the embeddings fixture, but there is a follow up on the server side so the test still might fail but much less
• test_filtering - this is a very old piece of functionality and likely not even used. I have identified the flaky test and removed it. We will have good test coverage here
• test_generic_data_types - identified the issue due to newly added LLMPromptResponseCreation / LLMPromptResponse types in this PR . For now removed these types while keeping the story open to try and look at it one more time later. This failure is not reproducible when I test locally against stage

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Document change (fix typo or modifying any markdown files, code comments or anything in the examples folder only)

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Changes to Core Features

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