errcheck issues fixed (#28416)

server/.golangci.yml

@@ -83,7 +83,6 @@ issues:
         channels/api4/group_local.go|\
         channels/api4/handlers_test.go|\
         channels/api4/import_test.go|\
-        channels/api4/integration_action.go|\
         channels/api4/integration_action_test.go|\
         channels/api4/ip_filtering.go|\
         channels/api4/ip_filtering_test.go|\

server/channels/api4/integration_action.go

@@ -136,5 +136,7 @@ func submitDialog(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	b, _ := json.Marshal(resp)
 
-	w.Write(b)
+	if _, err := w.Write(b); err != nil {
+		c.Logger.Warn("Error while writing response", mlog.Err(err))
+	}
 }