fix(moderation): added message to case's change argument response if no changes have been made

moderation/moderation.py

@@ -465,6 +465,9 @@ class Moderation(commands.Cog):
                     elif change['type'] == 'RESOLVE':
                         embed.add_field(name='Resolve', value=f"**User:** `{name}` ({user['id']})\n**Reason:** {change['reason']}\n**Timestamp:** {timestamp}", inline=False)
 
+            else:
+                embed.description = "*No changes have been made to this case.* 🙁"
+
             return embed
 
         if embed_type == 'log':