Fix add_arg for nodes with more than 3 arguments

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Status Job ID Name Coverage
  Build
passed #54600
build

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passed #54601
build-clang

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build-wasm

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build-windows

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  Test Interpreter
passed #54606
benchmark-wasm

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passed #54604
benchmark-x64

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passed #54605
benchmark-x86

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  Test Interworking
passed #54608
interworking-GraphCopy

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passed #54609
interworking-GraphCopy-clang

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passed #54607
interworking-Start

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  Examples
passed #54610
examples

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