MM-25476: Migrate AppError from command_store.go (#14643)

Automatic Merge

app/user.go

@@ -1473,7 +1473,7 @@ func (a *App) PermanentDeleteUser(user *model.User) *model.AppError {
 	}
 
 	if err := a.Srv().Store.Command().PermanentDeleteByUser(user.Id); err != nil {
-		return err
+		return model.NewAppError("PermanentDeleteUser", "app.user.permanentdeleteuser.internal_error", nil, err.Error(), http.StatusInternalServerError)
 	}
 
 	if err := a.Srv().Store.Preference().PermanentDeleteByUser(user.Id); err != nil {