fnCheckProperty = function(oFormatOptions, sProperty) {
					return !oFormatOptions.hasOwnProperty(sProperty) || oFormatOptions[sProperty]; // if not set, showTimezone=true, showDate=true or showTime=true is default
				}
Checks if a DateTimeWithTimezone is used and the Timezone should be shown beside Date an time

@param {sap.ui.model.SimpleType} oType Data type
@return {boolean} if set, timezine needs to be shown
@private
@ui5-restricted sap.ui.mdc
@since 1.101.0