fix: Fix issue with Qdrant not always connecting

[Joffcom]

Summary

We were not testing an endpoint that needed authentication, This also fixes the issue with the qdrant connection not using https or custom ports in some scenarios.

Incorrect Credential or URL

Correct Credential / URL

Related Linear tickets, Github issues, and Community forum posts

https://community.n8n.io/t/cannot-access-selfhosted-qdrant-vector-store/63070
https://linear.app/n8n/issue/AI-830/qdrant-doesnt-support-https-or-non-default-port

Review / Merge checklist

• PR title and summary are descriptive. (conventions)
• Docs updated or follow-up ticket created.
• Tests included.
• PR Labeled with release/backport (if the PR is an urgent fix that needs to be backported)

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 16 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...des/vector_store/VectorStoreQdrant/Qdrant.utils.ts	0.00%	11 Missing ⚠️
..._store/VectorStoreQdrant/VectorStoreQdrant.node.ts	0.00%	3 Missing ⚠️
...shared/createVectorStoreNode/methods/listSearch.ts	0.00%	2 Missing ⚠️

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