[BUGFIX] Switch hybrid_forward to forward in test_fc_int8_fp32_outputs (#20398)
[BUGFIX] Switch hybrid_forward to forward in test_fc_int8_fp32_outputs (#20398)

* Switch hybrid_forward to forward in test_fc_int8_fp32_outputs

* Add use_np decorator
tlby/mxnet,tlby/mxnet,szha/mxnet,szha/mxnet,DickJC123/mxnet,tlby/mxnet,apache/incubator-mxnet,tlby/mxnet,DickJC123/mxnet,apache/incubator-mxnet,szha/mxnet,tlby/mxnet,szha/mxnet,szha/mxnet,szha/mxnet,DickJC123/mxnet,szha/mxnet,tlby/mxnet,DickJC123/mxnet,szha/mxnet,tlby/mxnet,szha/mxnet,tlby/mxnet,apache/incubator-mxnet,tlby/mxnet,tlby/mxnet,apache/incubator-mxnet