[jp-sync] fix(jp/react): update query builder React snippets to functional components

[github-actions]

Original author: Hristo Hristov 57346540+Hristo313@users.noreply.github.com

Syncs the Japanese documentation with the English changes from PR #403 (hhristov/fix-query-builder-react-snippets).

Changes

English file	Japanese counterpart
docs/xplat/src/content/en/components/inputs/query-builder.mdx	docs/xplat/src/content/jp/components/inputs/query-builder.mdx

Summary

Updated React code examples in the JP query-builder documentation to match the updated EN source. The changes convert class-based component patterns to modern functional component patterns:

• Replaced class fields and constructor with useRef and const declarations
• Replaced componentDidMount / componentWillUnmount with useEffect and cleanup teardown function
• Updated private buildXxx = ... class methods to const buildXxx = ... function declarations
• Replaced this.xxx references with plain variable/ref references
• Updated event handlers: change= → onChange=, input= → onInput=
• Updated sender.value to sender.detail / sender.detail.value for React event patterns
• Removed the click= handler from IgrDatePicker
• Updated formatter code block from ```ts to ```tsx and this.ordersFields = to const ordersFields =
• Updated Japanese prose description for ExpressionTree to reflect useEffect-based registration instead of componentDidMount/componentWillUnmount

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