Align HunyuanVideoConditionEmbedding with CombinedTimestepGuidanceTextProjEmbeddings (#12316)
conditioning additions inline with CombinedTimestepGuidanceTextProjEmbeddings
Co-authored-by: Samu Tamminen <samutamm@users.noreply.github.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>