fix(deps): update mantine monorepo to v8 (major) (#3022)

Co-authored-by: homarr-renovate[bot] <158783068+homarr-renovate[bot]@users.noreply.github.com>
Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

packages/widgets/package.json

@@ -47,9 +47,9 @@
     "@homarr/translation": "workspace:^0.1.0",
     "@homarr/ui": "workspace:^0.1.0",
     "@homarr/validation": "workspace:^0.1.0",
-    "@mantine/charts": "^7.17.7",
-    "@mantine/core": "^7.17.7",
-    "@mantine/hooks": "^7.17.7",
+    "@mantine/charts": "^8.0.0",
+    "@mantine/core": "^8.0.0",
+    "@mantine/hooks": "^8.0.0",
     "@tabler/icons-react": "^3.31.0",
     "@tiptap/extension-color": "2.12.0",
     "@tiptap/extension-highlight": "2.12.0",

packages/widgets/src/calendar/component.tsx

@@ -72,8 +72,8 @@ const CalendarBase = ({ isEditMode, events, month, setMonth, options }: Calendar
   return (
     <Calendar
       defaultDate={new Date()}
-      onPreviousMonth={setMonth}
-      onNextMonth={setMonth}
+      onPreviousMonth={(month) => setMonth(new Date(month))}
+      onNextMonth={(month) => setMonth(new Date(month))}
       highlightToday
       locale={locale}
       hideWeekdays={false}
@@ -126,7 +126,7 @@ const CalendarBase = ({ isEditMode, events, month, setMonth, options }: Calendar
           .filter((event): event is CalendarEvent => Boolean(event.date));
         return (
           <CalendarDay
-            date={tileDate}
+            date={new Date(tileDate)}
             events={eventsForDate}
             disabled={isEditMode || eventsForDate.length === 0}
             rootWidth={width}