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daemon: reset lcd screen to default on shutdown

Guy Boldon requested to merge reset_lcd_on_shutdown into main

New Feature

What does this MR do?

This MR resets LCD screens to their default on shutdown. This helps mitigate undesired side effects, like out-of-date temperature display, of a daemon shutdown or crash.

Related issues

Checklist

  • Application works as expected when running from source
  • There are dependency changes
  • Liquidctl device mock tests are successful (if applicable)
  • Any needed documentation changes have been made
  • This MR is ready to be merged

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