Tweaks to jack2 build, always enable device reservation stuff #286

Job	Run time
modaudio (linux-x86_64, apt, ubuntu-22.04, win64)	57s
cardinal (linux-aarch64, apt, ubuntu-20.04, linux-aarch64)	1m 19s
modaudio (macos-universal-10.15, homebrew, macos-11, macos-universal-10.15)	1m 8s
cardinal (linux-armhf, apt, ubuntu-20.04, linux-armhf)	1m 19s
modaudio (win64, apt, ubuntu-22.04, win64)	1m 1s
cardinal (linux-i686, apt, ubuntu-20.04, linux-i686)	1m 18s
common (linux-aarch64, apt, ubuntu-22.04, linux-aarch64)	1m 17s
common (linux-armhf, apt, ubuntu-22.04, linux-armhf)	1m 10s
cardinal (linux-riscv64, apt, ubuntu-20.04, linux-riscv64)	1m 19s
common (linux-i686, apt, ubuntu-22.04, linux-i686)	1m 9s
cardinal (linux-x86_64, apt, ubuntu-20.04, linux-x86_64)	1m 19s
common (linux-riscv64, apt, ubuntu-22.04, linux-riscv64)	1m 26s
cardinal (macos-universal-10.15, homebrew, macos-11, macos-universal-10.15)	1m 12s
common (linux-x86_64, apt, ubuntu-22.04, linux-x86_64)	1m 26s
cardinal (wasm, apt, ubuntu-22.04, wasm)	1m 19s
common (macos, homebrew, macos-11, macos)	1m 23s
cardinal (win32, apt, ubuntu-22.04, win32)	1m 13s
common (macos-universal, homebrew, macos-11, macos-universal)	1m 23s
cardinal (win64, apt, ubuntu-22.04, win64)	1m 1s
common (macos-universal-10.15, homebrew, macos-11, macos-universal-10.15)	1m 21s
common (wasm, apt, ubuntu-22.04, wasm)	24s
common (win32, apt, ubuntu-22.04, win32)	18s
common (win64, apt, ubuntu-22.04, win64)	17s
qt	0s
jack2	0s
plugins	0s
carla	0s
	25m 59s

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