set dependency on entity for FileContent#useAsync

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

plugins/code-coverage/src/components/FileExplorer/FileContent.tsx

@@ -87,6 +87,7 @@ export const FileContent = ({ filename, coverage }: Props) => {
         },
         filename,
       ),
+    [entity],
   );
 
   const classes = useStyles();