Fix altitude slider min/max

src/FlightDisplay/FlightDisplayViewWidgets.qml

@@ -408,7 +408,7 @@ Item {
                 break;
             case confirmTakeoff:
                 altitudeSlider.visible = true
-                altitudeSlider.setInitialValueMeters(10)
+                altitudeSlider.setInitialValueMeters(2)
                 guidedModeConfirm.confirmText = qsTr("takeoff")
                 break;
             case confirmLand:
@@ -582,8 +582,8 @@ Item {
             anchors.left:       parent.left
             anchors.right:      parent.right
             orientation:        Qt.Vertical
-            minimumValue:       QGroundControl.metersToAppSettingsDistanceUnits((_activeVehicle && _activeVehicle.flying) ? -15 : 0)
-            maximumValue:       QGroundControl.metersToAppSettingsDistanceUnits((_activeVehicle && _activeVehicle.flying) ? 15 : 60)
+            minimumValue:       QGroundControl.metersToAppSettingsDistanceUnits(2)
+            maximumValue:       QGroundControl.metersToAppSettingsDistanceUnits((_activeVehicle && _activeVehicle.flying) ? 100 : 10)
         }
     }
 }