[quant][eagermode] Avoid inserting fakequant for sigmoid/hardsigmoid/tanh in eval mode (#47297)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47297
Test Plan: Imported from OSS
Reviewed By: z-a-f
Differential Revision: D24708270
fbshipit-source-id: a19b6dbe07d5c80f3cc78a987742d345d86e1cd1
