overwrite incorrect legacy data (#1746)

Co-authored-by: Ashish <[email protected]>

automod_legacy/automod.go

@@ -68,6 +68,17 @@ func GetConfig(guildID int64) (config *Config, err error) {
 	if config == nil {
 		config = DefaultConfig()
 	}
+	// This is needed for legacy reason
+	// because the validation for this is via a common middleware which may break a heck lot of things if tinkered with.
+	if config.Spam.NumMessages == 0 {
+		config.Spam.NumMessages = 1
+	}
+	if config.Spam.Within == 0 {
+		config.Spam.Within = 5
+	}
+	if config.Mention.Treshold == 0 {
+		config.Mention.Treshold = 1
+	}
 	return
 }