refactor(storage): inverted index use merge io to read data

[b41sh]

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Summary

• Use merge io to read inverted index data, since the term data of the inverted index is relatively small, usually only tens to thousands of bytes, merge io can effectively reducing IO times.
• refactor merge io and related codes to the common io package, easy for code reuse.

continue #16547

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Code refactoring, using existing tests

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):

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This change is 

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Docker Image for PR

• tag: pr-16589-8a91f69-1728556727

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ClickBench Report

• hits: https://benchmark.databend.com/clickbench/pr/16589/11271830397/hits.html
• internal: https://benchmark.databend.com/clickbench/pr/16589/11271830397/internal.html
• load: https://benchmark.databend.com/clickbench/pr/16589/11271830397/load.html
• tpch: https://benchmark.databend.com/clickbench/pr/16589/11271830397/tpch.html