overlay overflow hidden so it stops affecting the scroll bar

src/common/PulseBox.tsx

@@ -8,6 +8,7 @@ const useStyles = makeStyles((_theme: Theme) => ({
     position: 'relative',
     display: 'block', // Changed to block to respect Box margins
     width: 'fit-content', // Shrinks to child width
+    overflow: 'hidden', // Clip pulse animation so it doesn't affect parent layout
     '&::after': {
       content: '""',
       position: 'absolute',