added seconds in air-datepicker (#2537)

frappe/public/css/desk.css

@@ -353,7 +353,8 @@ fieldset[disabled] .form-control {
   z-index: 9999 !important;
 }
 .datepicker--time-current-hours,
-.datepicker--time-current-minutes {
+.datepicker--time-current-minutes,
+.datepicker--time-current-seconds {
   font-family: inherit;
 }
 .datepicker--day-name {

frappe/public/js/frappe/form/control.js

@@ -675,7 +675,7 @@ frappe.ui.form.ControlDatetime = frappe.ui.form.ControlDate.extend({
 	set_date_options: function() {
 		this._super();
 		this.datepicker_options.timepicker = true;
-		this.datepicker_options.timeFormat = "hh:ii";
+		this.datepicker_options.timeFormat = "hh:ii:ss";
 	},
 	parse: function(value) {
 		if(value) {

frappe/public/less/desk.less

@@ -142,7 +142,7 @@ textarea.form-control {
 	font-family: inherit;
 	z-index: 9999 !important;
 
-	&--time-current-hours, &--time-current-minutes {
+	&--time-current-hours, &--time-current-minutes, &--time-current-seconds {
 		font-family: inherit;
 	}