Major rework to support terrain profile display and terrain collision reporting

New wizard done model

Survey And Corridor now share same transect generation code. Better unit tests for both with more coverage.

Major rewrite of Survey generation for simplicity. Also includes support for CONDITION_GATE.

Mavlink terrain protocol support

New Create Plan support

Pattern Preset support

Rework complex distance, camera shot count calc for better back compat

Fix Survey additionalTimeDelay as it relates to hover and capture

Add camera start to transect entry even when taking images throughout survey area.

multiple polygons

need to fully implement vertexvisibility

[Survey transects generation] move some of the logic handling out of function that handles only one polygon

Also don't save to settings

Fixed bugs the unit test found