fix moving thumb of range input on mobile devices
fix moving thumb of range input on mobile devices

TurtleRover/Turtle-Rover-Mission-Control,TurtleRover/Turtle-Rover-Mission-Control,TurtleRover/Turtle-Rover-Mission-Control,TurtleRover/Turtle-Rover-Mission-Control,TurtleRover/Turtle-Rover-Mission-Control,TurtleRover/Turtle-Rover-Mission-Control