fix size calendar

src/components/GanttChart/CalendarPicker.vue

@@ -62,7 +62,7 @@ const updateSelectedDate = (newValue) => {
 /* ✅ ปรับขนาด v-date-picker */
 .custom-date-picker {
   width: 350px !important;
-  height: 390px !important;
+  height: 440px !important;
   max-width: 350px;
   font-size: 14px !important;
   border-radius: 20px !important;