got rid of last column size grabber

src/common/ResponsiveTable.tsx

@@ -543,12 +543,14 @@ export default function ResponsiveTable<T extends Object>(props: Props<T>) {
                       >
                         {column.title} {showOrderIcon(column)}
                       </Grid2>
+                      {index < columns.length-1 && 
                         <Grid2
                           sx={{ cursor: "col-resize" }}
                           onMouseDown={event => resizeClick(event, index)}
                         >
                           |
                         </Grid2>
+                      }
                     </Grid2>
                   </TableCell>
                 )