fix(novalnet): add connector response deserialization resilience (#13214)
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>
Co-authored-by: Swangi Kumari <85639103+swangi-kumari@users.noreply.github.com>