ACS-11155: update conditional checks to use optional chaining (#11658)

- Modified several components to use optional chaining for safer property access, enhancing code robustness.
- Updated ESLint configuration to enforce stricter rules on the use of optional chaining.
- Adjusted tests to reflect changes in property access patterns.

.eslintrc.js

@@ -77,7 +77,7 @@ module.exports = {
                     }
                 ],
                 '@typescript-eslint/await-thenable': 'error',
-                '@typescript-eslint/prefer-optional-chain': 'warn',
+                '@typescript-eslint/prefer-optional-chain': 'error',
                 '@typescript-eslint/no-inferrable-types': 'off',
                 '@typescript-eslint/no-require-imports': 'off',
                 '@typescript-eslint/no-var-requires': 'error',