[EuiDatePicker] Fixed the bug of not seeing difference between the disabled/non-disabled times

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Fixed nested indicator of last `EuiSideNav` item ([#4488](https://github.com/elastic/eui/pull/4488))
 - Fixed override possibility of text `color` in `EuiSideNavItem` ([#4488](https://github.com/elastic/eui/pull/4488))
 - Fixed blurry animation of popovers in Chrome ([#4527](https://github.com/elastic/eui/pull/4527))
+- Fixed styles of `disabled` times in `EuiDatePicker` ([#4524](https://github.com/elastic/eui/pull/4524))
 
 **Theme: Amsterdam**
 

src/components/date_picker/_date_picker.scss

@@ -87,6 +87,10 @@
           &.react-datepicker__time-list-item--selected {
             color: $euiColorGhost;
           }
+
+          &.react-datepicker__time-list-item--disabled{
+            color: $euiColorDisabledText
+          }
         }
       }
     }