post spam warning in public channels only once in case of mass spammers

app.py

@@ -103,7 +103,8 @@ async def on_message(message):
                     if spam_count >= false_positive_threshold: # n in a row, helps avoid false positives for posting in threads
                         # warning for 5+
                         channel = message.channel
-                        await channel.send(f"{message.author.mention}, you may be posting too quickly! Please slow down a bit 🤗")
+                        if spam_count == false_positive_threshold:
+                            await channel.send(f"{message.author.mention}, you may be posting too quickly! Please slow down a bit 🤗")
                         
                         var1 = message.created_at
                         var2 = user_cooldowns[message.author.id]['timestamp']