core: frontend: wifi: WifiManager: Add loading animation if wifi stor… #1654

Job	Run time
python-tests	2m 35s
frontend-tests	1m 8s
deploy-docker-images (bootstrap, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	1m 5s
deploy-docker-images (core, blueos, linux/arm/v7,linux/arm64/v8,linux/amd64)	14m 23s
deploy-raspberry-image	0s
	19m 11s

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