feat(conversations): align toggle status fallback

internal/handler/api/v1/conversation_handler.go

@@ -2,6 +2,7 @@ package v1
 
 import (
 	"errors"
+	"io"
 	"net/http"
 	"strconv"
 	"strings"
@@ -297,9 +298,11 @@ func (h *ConversationHandler) ToggleStatus(c *gin.Context) {
 	}
 
 	var req service.ToggleStatusRequest
-	if err := c.ShouldBindJSON(&req); err != nil {
-		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
-		return
+	if c.Request.Body != nil && c.Request.Body != http.NoBody {
+		if err := c.ShouldBindJSON(&req); err != nil && !errors.Is(err, io.EOF) {
+			response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrValidation, err.Error())
+			return
+		}
 	}
 
 	conversation, ok := h.resolveConversationRoute(c, accountID, conversationID)