removed delete btn when value is null (datepicker)
removed delete btn when value is null (datepicker)

deltatre-webplu/forge-webcomponents,deltatre-webplu/forge-webcomponents,deltatre-webplu/forge-webcomponents,deltatre-webplu/forge-webcomponents,deltatre-webplu/forge-webcomponents,deltatre-webplu/forge-webcomponents