feat(conversations): trim search payload meta

internal/handler/api/v1/conversation_serializer.go

@@ -87,7 +87,6 @@ type chatwootConversationSearchPayload struct {
 	Inbox     map[string]any                      `json:"inbox"`
 	Messages  []chatwootConversationSearchMessage `json:"messages"`
 	AccountID uint                                `json:"account_id"`
-	Meta      chatwootConversationMeta            `json:"meta"`
 }
 
 type chatwootConversationSearchMessage struct {
@@ -164,7 +163,6 @@ func serializeConversationSearch(ctx context.Context, db *gorm.DB, conversation
 		Inbox:     map[string]any{"id": conversation.InboxID, "channel_type": conversation.ChannelType},
 		Messages:  []chatwootConversationSearchMessage{},
 		AccountID: conversation.AccountID,
-		Meta:      serializeConversationMeta(ctx, db, conversation),
 	}
 	if db == nil {
 		return payload