🐛 fix: replace direct response body closure with common.CloseResponseBodyGracefully for improved error handling

This update standardizes the closure of HTTP response bodies across multiple stream handlers, enhancing error management and resource cleanup. The new method ensures that any errors during closure are handled gracefully, preventing potential request termination issues.

relay/channel/cloudflare/relay_cloudflare.go

@@ -81,10 +81,7 @@ func cfStreamHandler(c *gin.Context, resp *http.Response, info *relaycommon.Rela
 	}
 	helper.Done(c)
 
-	err := resp.Body.Close()
-	if err != nil {
-		common.LogError(c, "close_response_body_failed: "+err.Error())
-	}
+	common.CloseResponseBodyGracefully(resp)
 
 	return nil, usage
 }