Specialize symfloats when getting fake value involves complex args (#140832)
Summary:
Fixed `PYTORCH_TEST_WITH_DYNAMO=1 tlp python test/test_sparse_csr.py TestSparseCSRCPU.test_sampled_addmm_cpu_complex64` when `specialize_float=False`
X-link: https://github.com/pytorch/pytorch/pull/140832
Approved by: https://github.com/ezyang
ghstack dependencies: #140830
Reviewed By: izaitsevfb
Differential Revision: D66080740
Pulled By: bobrenjc93
fbshipit-source-id: b9cbaada125d3ce11fb4a51758c73ed1adda95fa