Migrate Qdrant connection UI metadata to YAML

[fat-catTW]

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Description

This PR migrates the Qdrant connection UI metadata from the Python hook to the provider.yaml configuration file.

Changes

• Moved connection type definition from QdrantHook to providers/qdrant/provider.yaml
• Configured connection fields (url, grpc_port, prefer_grpc, https, prefix) in provider.yaml
• Added detailed connection field definitions to get_provider_info.py

Related Issue

Related: #62345

Was generative AI tooling used to co-author this PR?

• Yes (please specify the tool below)

Generated-by: Copilot following the guidelines

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[boring-cyborg]

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