Issues Fixed

When a backup file gets uploaded and recovered, the changes in settings won't take place until you restart the web server or until Settings page gets accessed via browser.

Description

• Updated GET /api/v2/device_settings so that settings.load() gets called.

Checklist

• I have performed a self-review of my own code.
• New and existing unit tests pass locally and on CI with my changes.
• I have done an end-to-end test for Raspberry Pi devices.
• I have tested my changes for x86 devices.
• I added a documentation for the changes I have made (when necessary).