css: update styles

Author: sjbur

packages/devextreme-scss/scss/widgets/generic/scheduler/_sizes.scss

@@ -169,7 +169,7 @@ $generic-scheduler-group-header-agenda-font-size: 14px !default;
   $generic-scheduler-appointment-popup-icon-container-height: 26px !default;
   $generic-scheduler-appointment-popup-icon-padding-right: 5px !default;
   $generic-scheduler-appointment-popup-icon-margin-top: 18px !default;
-  $generic-scheduler-appointment-popup-icon-inner-label-margin-top: 2px !default;
+  $generic-scheduler-appointment-popup-icon-inner-label-margin-top: 6px !default;
   $generic-scheduler-appointment-popup-item-padding-horizontal: 5px !default;
   $generic-scheduler-appointment-popup-item-padding-top: 10px !default;
   $generic-scheduler-appointment-popup-all-day-item-height: 24px !default;