Fix issue where popover filter isn't closing when clicking outside of filter (#492)

Author: LunaWanderer1

packages/mantine-react-table/src/components/head/MRT_TableHeadCellFilterLabel.tsx

@@ -97,6 +97,7 @@ export const MRT_TableHeadCellFilterLabel = <TData extends MRT_RowData>({
     <>
       <Popover
         keepMounted={columnDef.filterVariant === 'range-slider'}
+        onChange={setPopoverOpened}
         onClose={() => setPopoverOpened(false)}
         opened={popoverOpened}
         position="top"