Rewrote editor to be performant enough to support typedown

This can happen on slow touch based systems

Use constant's inverse to ensure we don't accumulate error when converting back and forth

Adding a dialog telling the user the map cache database has been reset.

This is all going away in 3.1 so don’t want to spend time fixing broken
font sizing

Channel 6 Min Max

Channel 6 Tuning for APM Copter in tuning section

Remove Colon in Label

In Flight Tuning label