staging merge cherry pick
DENBUG-120: UI: Cloud user has Read permissions to WiFi configuration
- Give the denali user permission to remove the permission of the wpa_supplicant.conf for others.
- removing the read permission of the wpa_supplicant conf from others.
DENBUG-117: UI: SRSUI tested by Witekio not 100% passed
- SRSUI 1211: partial tested : RPC and rpcbind appears to be running.