fix: MCP config should export settings for one transport only

[raptorsun]

Description

In the generated olsconfig config map, MCP server config should have either the sse field or the streamable_http field, not both.

Type of change

• Refactor
• New feature
• Bug fix
• CVE fix
• Optimization
• Documentation Update
• Configuration Update
• Bump-up dependent library

Related Tickets & Documents

• Related Issue #
• Closes # OLS-2071

Checklist before requesting a review

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• PR has passed all pre-merge test jobs.
• If it is a core feature, I have added thorough tests.

Testing

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• How were the fix/results from this change verified? Please provide relevant screenshots or results.

[openshift-ci]

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[openshift-ci]

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