Fixed map centring buttons in flight view and flight editor.

src/FlightDisplay/FlightDisplayViewWidgets.qml

@@ -233,8 +233,7 @@ Item {
 
                         onClicked: {
                             _dropButtonsExclusiveGroup.current = null
-                            _flightMap.latitude  = activeVehicle.latitude
-                            _flightMap.longitude = activeVehicle.longitude
+                            _flightMap.center = activeVehicle.coordinate
                         }
                     }
                 }

src/MissionEditor/MissionEditor.qml

@@ -502,8 +502,7 @@ QGCView {
 
                                         onClicked: {
                                             centerMapButton.hideDropDown()
-                                            editorMap.latitude = activeVehicle.latitude
-                                            editorMap.longitude = activeVehicle.longitude
+                                            editorMap.center = activeVehicle.coordinate
                                         }
                                     }
                                 }