[GH-16199] add IsValid to model OpenDialogRequest (#26526)

* [GH-16199] add IsValid to model OpenDialogRequest

* [GH-16199] add IsValid to model OpenDialogRequest, revert remove of translations

* [GH-16199] fix tests after revert

* [GH-16199] add IsValid to model OpenDialogRequest

* [GH-16199] revert validation of icon url

* [GH-16199] update go sum

* [GH-16199] log warning for invalid dialog

* [GH-16199] log error for invalid dialog

* [GH-16199] log warning for invalid dialog

* [GH-16199] fix golang-ci

---------

Co-authored-by: Lukas Eipert <git@leipert.io>
Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/plugin_api.go

@@ -849,7 +849,7 @@ func (api *PluginAPI) SetTeamIcon(teamID string, data []byte) *model.AppError {
 }
 
 func (api *PluginAPI) OpenInteractiveDialog(dialog model.OpenDialogRequest) *model.AppError {
-	return api.app.OpenInteractiveDialog(dialog)
+	return api.app.OpenInteractiveDialog(api.ctx, dialog)
 }
 
 func (api *PluginAPI) RemoveTeamIcon(teamID string) *model.AppError {