Merge pull request #4869 from DonLakeFlyer/PlanSync

src/FlightMap/Widgets/CenterMapDropPanel.qml

src/MissionManager/MissionController.cc

src/MissionManager/MissionController.h

src/MissionManager/MissionSettingsItem.cc

src/MissionManager/MissionSettingsItem.h

src/PlanView/MissionItemEditor.qml

src/PlanView/MissionSettingsEditor.qml

src/PlanView/PlanToolBar.qml

src/PlanView/PlanView.qml

src/Settings/App.SettingsGroup.json

src/Settings/AppSettings.cc

src/Settings/AppSettings.h