settingsnode: enable trusted daemon option /monero-gui#1939

[stoffu]

• https://github.com/monero-project/monero-gui/pull/1695
• https://github.com/monero-project/monero-gui/pull/1733
• https://github.com/monero-project/monero-gui/pull/1815
• https://github.com/monero-project/monero-gui/pull/1939