make copy icon align with id

ui/src/components/RetryTasksTable.tsx

@@ -317,9 +317,9 @@ const useRowStyles = makeStyles((theme) => ({
     cursor: "pointer",
     "&:hover": {
       boxShadow: theme.shadows[2],
-      copyButton: {
-        display: "inline-block"
-      },
+    },
+    "&:hover $copyButton": {
+      display: "inline-block"
     },
     "&:hover .MuiTableCell-root": {
       borderBottomColor: theme.palette.background.paper,
@@ -337,7 +337,11 @@ const useRowStyles = makeStyles((theme) => ({
   },
   copyButton: {
     display: "none"
-  },
+  }, 
+  IdGroup: {
+    display: "flex",
+    alignItems: "center",
+  }
 }));
 
 interface RowProps {
@@ -375,7 +379,8 @@ function Row(props: RowProps) {
           />
         </IconButton>
       </TableCell>
-      <TableCell component="th" scope="row" className={classes.idCell} >
+      <TableCell component="th" scope="row" className={classes.idCell}>
+        <div className={classes.IdGroup}>
         {uuidPrefix(task.id)}
         <Tooltip title="Copy text to clipboard">
           <IconButton
@@ -390,6 +395,7 @@ function Row(props: RowProps) {
             <FileCopyOutlinedIcon fontSize="small" style={{ height: "12px", width: "12px" }} />
           </IconButton>
         </Tooltip>
+        </div>
       </TableCell>
       <TableCell>{task.type}</TableCell>
       <TableCell>