Fix systemd service: Disable NoNewPrivileges

NoNewPrivileges=true prevents file capabilities from working.
Since we need CAP_NET_RAW/CAP_NET_ADMIN for Bluetooth, we must
disable this security feature.

systemd/sensorpajen.service

@@ -23,7 +23,9 @@ StandardError=journal
 SyslogIdentifier=sensorpajen
 
 # Security
-NoNewPrivileges=true
+# Note: NoNewPrivileges=true can prevent file capabilities from working
+# We need capabilities for Bluetooth access, so we can't use it
+#NoNewPrivileges=true
 PrivateTmp=true
 
 [Install]