chore: add "prefer-optional-chain" eslint rule

.eslintrc.js

@@ -28,6 +28,7 @@ module.exports = {
     'react/prop-types': 'warn',
     'no-console': 'off',
     '@typescript-eslint/no-explicit-any': 'warn',
+    '@typescript-eslint/prefer-optional-chain': 'warn',
   },
   settings: {
     react: {