feat: add tile border radius (#2338)

* feat: add tile border radius

* fix: inconsistent mantine-core version

* fix: lockfile

---------

Co-authored-by: Meier Lukas <meierschlumpf@gmail.com>

apps/nextjs/src/components/board/items/item-content.tsx

@@ -33,6 +33,7 @@ export const BoardItemContent = ({ item }: BoardItemContentProps) => {
         "grid-stack-item-content",
         item.advancedOptions.customCssClasses.join(" "),
       )}
+      radius={board.itemRadius}
       withBorder
       styles={{
         root: {