Merge pull request Gnathonic#243 from Gnathonic/fix/reader-scrollbars

fix: Prevent scrollbars in reader by hiding document overflow

Author: Gnathonic

src/lib/components/Reader/Reader.svelte

@@ -348,9 +348,14 @@
       });
     }
 
+    // Prevent scrollbars from appearing when in reader mode
+    document.documentElement.style.overflow = 'hidden';
+
     return () => {
       // Stop activity tracker when component unmounts
       activityTracker.stop();
+      // Restore overflow when leaving reader
+      document.documentElement.style.overflow = '';
     };
   });