Properly update chapter list window scroll

Once the window scroller was set, resizing the window to increase the width did not remove the window scroller again

src/lib/ui/MediaQuery.tsx

@@ -7,6 +7,7 @@
  */
 
 import useMediaQuery from '@mui/material/useMediaQuery';
+import { Breakpoint } from '@mui/material/styles';
 import { getCurrentTheme } from '@/theme.ts';
 
 export class MediaQuery {
@@ -14,7 +15,11 @@ export class MediaQuery {
         return useMediaQuery('not (pointer: fine)');
     }
 
+    static useIsBelowWidth(breakpoint: Breakpoint): boolean {
+        return useMediaQuery(getCurrentTheme().breakpoints.down(breakpoint));
+    }
+
     static useIsMobileWidth(): boolean {
-        return useMediaQuery(getCurrentTheme().breakpoints.down('sm'));
+        return this.useIsBelowWidth('sm');
     }
 }