fix hour selector heigh

src/@core/scss/base/plugins/forms/pickers/form-flat-pickr.scss

@@ -170,6 +170,10 @@
   opacity: 1 !important;
 }
 
+.flatpickr-time {
+  height: 40px !important;
+}
+
 .flatpickr-weekdays {
   margin-top: 8px;
 }