[fix](cloud) change cloud fe getVersion rpc metric to getTableVersion and getPartitionVersion

[mymeiyi]

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

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[hello-stephen]

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[mymeiyi]

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Pull request overview

This PR improves RPC metrics tracking for cloud mode by differentiating between table version and partition version queries. Previously, both types of version queries were tracked under a single "getVersion" metric, making it difficult to monitor and debug these operations separately.

Changes:

• Modified getVisibleVersionAsync() to dynamically determine metric name based on isTableVersion field
• Modified getVersion() to dynamically determine metric name based on isTableVersion field
• Metrics now differentiate between "getTableVersion" and "getPartitionVersion" operations

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[hello-stephen]

FE Regression Coverage Report

Increment line coverage 20.00% (1/5) 🎉
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