Add disable-networking and clear-config command line opts #2851

Job	Run time
photon-build-all	4m 3s
Photonlib - Build Docker - Athena	9m 2s
Photonlib - Build Docker - Raspbian	12m 1s
Photonlib - Build Docker - Aarch64	10m 3s
photonclient-build	1m 34s
Build Examples	4m 30s
Photonlib - Build Host - Win64	9m 47s
Photonlib - Build Host - Linux	6m 32s
wpiformat	21s
photonserver-check-lint	59s
photonserver-build-offline-docs	1m 24s
Build fat JAR - Win64	2m 50s
Build fat JAR - macOS	2m 32s
Build fat JAR - Linux	2m 56s
Build fat JAR - macOSArm	3m 12s
Build fat JAR - LinuxArm32	1m 48s
Build fat JAR - LinuxArm64	1m 38s
Build image - ${{ matrix.image_url }}	0s
photon-release	0s
	1h 15m 12s

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