test: add test case fot eip712_legacy.go #12453

	name: Slither Analysis

	on:
	pull_request:
	permissions: read-all

	jobs:
	analyze:
	name: Run Slither
	runs-on: ubuntu-latest
	permissions:
	contents: read
	security-events: write
	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	- name: Get Diff
	uses: technote-space/get-diff-action@v6.1.2
	with:
	PATTERNS: \|
	*/.sol
	- name: Node dependencies Install
	run: \|
	cd contracts && npm i
	cp -r node_modules/@openzeppelin .
	- name: Run Slither Action
	uses: crytic/slither-action@v0.4.0
	continue-on-error: true
	id: slither
	with:
	sarif: slither.sarif
	target: contracts/
	if: "env.GIT_DIFF"
	- name: Upload SARIF file
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: ${{ steps.slither.outputs.sarif }}
	if: "env.GIT_DIFF"

Provide feedback