Also fixed bug where channel detection number had off by 1. Also
changed UI to show channel reversal.

Specifically:
- Channel reversing
- Incorrect usage of function and channel index

Also fixed typo in offline waypoint editing message.

This reverts commit b4089ad9.

Added the possibilty to see only one UAS at the time with the drop down menu after clearing the view

Otherwise we can end up generating strange CRCs.

- Also corrected system/component id usage
- Switched to new Qt5 connect api

No major functionality changes.