[MM-57070] Remove detailed_error from errors when not in dev mode (#26414)

* remove detailed error from appErr.ToJSON

* Revert "remove detailed error from appErr.ToJSON"

This reverts commit 3c2fa7352d7a3bc7216b8e073179161779169d4b.

* use WipeDetailed instead of err.DetailedError = ""

* fix tests

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/wsapi/websocket_handler.go

@@ -41,7 +41,7 @@ func (wh webSocketHandler) ServeWebSocket(conn *platform.WebConn, r *model.WebSo
 			mlog.String("error_message", sessionErr.SystemMessage(i18n.T)),
 			mlog.Err(sessionErr),
 		)
-		sessionErr.DetailedError = ""
+		sessionErr.WipeDetailed()
 		errResp := model.NewWebSocketError(r.Seq, sessionErr)
 		hub.SendMessage(conn, errResp)
 		return
@@ -63,7 +63,7 @@ func (wh webSocketHandler) ServeWebSocket(conn *platform.WebConn, r *model.WebSo
 			mlog.String("error_message", err.SystemMessage(i18n.T)),
 			mlog.Err(err),
 		)
-		err.DetailedError = ""
+		err.WipeDetailed()
 		errResp := model.NewWebSocketError(r.Seq, err)
 		hub.SendMessage(conn, errResp)
 		return