Implement a UI to open projects/datasets via native OS file picker on windows/linux/macos #9040

Job	Run time
build (arm64-android, android_arm64_v8a, OFF, android-arm64)	10m 48s
build (arm64-android, android_arm64_v8a, ON, android-arm64)	10m 46s
build (arm-neon-android, android_armv7, OFF, android-arm-neon)	8m 48s
build (arm-neon-android, android_armv7, ON, android-arm-neon)	8m 9s
build (x64-android, android_x86_64, OFF, android-x64)	9m 11s
build (x64-android, android_x86_64, ON, android-x64)	8m 19s
build (x86-android, android_x86, OFF, android-x86)	1h 9m 40s
build (x86-android, android_x86, ON, android-x86)	1h 9m 36s
comment (pr)	6s
deploy to play store	0s
comment (commit)	0s
	3h 15m 23s

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