Fixed `movdiri` (APX) and compressed disp8 handling #1026

Job	Run time
CMake build + tests (macos-latest )	17s
CMake build + tests (macos-latest -DZYAN_NO_LIBC=ON)	11s
Amalgamated build (Ubuntu 22.04)	4s
fuzzing (address)	11m 30s
CMake build + tests (windows-2022 )	1m 14s
Meson build + tests (macos-latest, debug default)	22s
fuzzing (undefined)	11m 29s
CMake build + tests (windows-2022 -DZYAN_NO_LIBC=ON)	28s
Meson build + tests (windows-2022, debug default)	1m 23s
fuzzing (memory)	11m 31s
MSBuild build (windows-2022)	1m 9s
CMake build + tests (ubuntu-22.04 )	8s
Meson build + tests (ubuntu-22.04, debug default)	24s
CMake build + tests (ubuntu-22.04 -DZYAN_NO_LIBC=ON)	9s
Meson build + tests (windows-2022, debug NO_LIBC)	1m 15s
CMake build + tests (ubuntu-22.04 -DZYDIS_MINIMAL_MODE=ON -DZYDIS_FEATURE_ENCODER=OFF)	6s
Meson build + tests (ubuntu-22.04, debug NO_LIBC)	10s
CMake build + tests (windows-2022 -TClangCL)	2m 15s
Meson build + tests (macos-latest, release default)	21s
Meson build + tests (windows-2022, release default)	52s
Meson build + tests (ubuntu-22.04, release default)	11s
Meson build + tests (windows-2022, release NO_LIBC)	1m 35s
Meson build + tests (ubuntu-22.04, release NO_LIBC)	42s
Meson build + tests (ubuntu-22.04, minsize )	27s
	48m 13s

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