[BACKPORT v2.12] core: Fix reading int8/16 params from ArduPilot #4175

Job	Run time
alpine 3.19.0 (musl)	38m 46s
coverage (ubuntu-20.04)	6m 31s
Ubuntu/Debian packaging (Ubuntu 20.04)	8m 10s
ubuntu-20.04 (package, non-mavsdk_server)	7m 24s
android-arm	20m 15s
ubuntu-22.04 (package, non-mavsdk_server)	5m 39s
android-arm64	22m 32s
linux-armv6	6m 19s
android-x86	21m 57s
linux-armv7	6m 48s
linux-armv6-musl	37m 42s
android-x86_64	21m 36s
linux-arm64	6m 54s
linux-armv7l-musl	36m 51s
ios	58m 35s
linux-arm64-lts	6m 44s
linux-arm64-musl	40m 16s
ios_simulator_x64	28m 9s
macOS x64	36m 45s
ios_simulator_arm64	59m 36s
macOS arm64	20m 31s
ubuntu-20.04 (mavsdk, hunter)	8m 14s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	5m 58s
macOS framework x64	34m 51s
ubuntu-22.04 (style and proto check)	24m 50s
macOS framework arm64	23m 1s
ubuntu-20.04 (mavsdk_server, superbuild)	47m 12s
Windows	1h 21m 48s
ubuntu-22.04 (mavsdk_server, superbuild)	38m 8s
iOS XCFramework	1m 11s
	12h 43m 13s

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