[Inductor][float8] Support qlinear for float8 in inductor (#2565)

* quantize_affine_float8/dequantize_affine_float8 not decomposed on inductor

* remove redundant unittest.skipIf

* fix rebase issue

* change dispatch key to a flag decomposed

* support scaled_mm on inductor

* fix rebase issue

* support dequant promtion for fp8

* add ut

* remove redundant codes

* fix lint

* resolve conflict

* change to use qlinear

* add ut

* fix lint

* support fp8 quant_lift_up

* add reshape into _VIEW_METHOD_OPS

* add quant_input_check

* fix lint

* refine ut

* remove fp8 dynamic quant ut

* fix output_scale issue

* add float8_e4m3fn to dtype_list

* refine code

* refine code

* fix bugs

* add comment

* merge main

* change to use non-decomposed q/dq

* fix lint

* add version check

* change version

* fix attention bug; update ut

* add liftup oplist

Author: shiyang-weng