Render playlist description based on condition

Signed-off-by: AmbrishRamachandiran <ambrish.r@infosys.com>

.changeset/ninety-hats-kiss.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-playlist': patch
+---
+
+Render playlist description based on condition

plugins/playlist/src/components/PlaylistCard/PlaylistCard.tsx

@@ -106,7 +106,9 @@ export const PlaylistCard = ({ playlist }: PlaylistCardProps) => {
           <Typography variant="body2" className={classes.label}>
             Description
           </Typography>
-          <MarkdownContent content={playlist.description ?? ''} />
+          {playlist.description && (
+            <MarkdownContent content={playlist.description} />
+          )}
         </Box>
         <Box className={classes.box}>
           <Typography variant="body2" className={classes.label}>