🐛 Fix issues with UTC time handling

- Using `.setUTCHours` can cause the day to shift at specific times

src/components/day-carousel.vue

@@ -3,7 +3,7 @@ import { selectedDate, changeDate, changeDay } from "@/store";
 import { Swiper, SwiperSlide } from "swiper/vue";
 import { Virtual } from "swiper";
 import { ref, watch } from "vue";
-import { getDateSkippingWeekend } from "@/util";
+import { getDateSkippingWeekend, setUTCMidnight } from "@/util";
 import ScrollableContainer from "@/components/scrollable-container.vue";
 
 defineProps({
@@ -89,7 +89,7 @@ watch(changeDay, (change) => {
   changeDay.value = 0;
 });
 watch(changeDate, (date) => {
-  slideToDate(new Date(date.setUTCHours(0, 0, 0, 0)));
+  slideToDate(setUTCMidnight(date));
 });
 </script>