Cherry-pick to 5.4 branch: [WASM] Fix KeyPath optimization bug around signature match#3335

kateinoigakukun merged 2 commits intoswiftwasm-release/5.4swiftwasm/swift:swiftwasm-release/5.4from

katei/cherry-pick-5.4-81751d916802dd6c0f9bbff32a0f902f1bae5d14swiftwasm/swift:katei/cherry-pick-5.4-81751d916802dd6c0f9bbff32a0f902f1bae5d14Copy head branch name to clipboard