New Follow Vehicle user model

Fly: Click to set new mission item

Plan: Support for Mission End Actions

Better mission item indicators, fix click to set waypoint

Plan toolbar tweaks

MISSION_ITEM Altitude is not in _INT format

Plan toolbar: Add battery space

Plus minor repositioning for better readability

CorePlugin changes

New toolbar and user model for plan view

Plan: Add support for stop camera actions

Handle case where there is only one complex item

Map provider and type move to SettingsManager

Only show gimbal yaw if vehicle points to next waypoint

* Map type now set from General settings
* No map type control in maps

Fix: Initial survey polygon smaller each time you add a survey

Plan: Various bugs