Leviton/DZ6HD-Dimmer - Can't set fade time value to zero

[k3vmcd]

hubitat/Drivers/Leviton/DZ6HD-Dimmer.groovy

Lines 22 to 23 in 3a3e67d

	1: [input: [name: "configParam1", type: "number", title: "Fade on time", description: "0-253", defaultValue: 0, ranges: "0..253"], parameterSize: 1],
	2: [input: [name: "configParam2", type: "number", title: "Fade off time", description: "0-253", defaultValue: 0, ranges: "0..253"], parameterSize:1],

Can't set fade time value to zero. Values greater than zero are set successfully.