Fix `IndexPage::getUiModel()`. If `originalContext` is a widget then try to get UI model from `uiModel` attribute
Fix `IndexPage::getUiModel()`. If `originalContext` is a widget then try to get UI model from `uiModel` attribute

hiqdev/hipanel-core,hiqdev/hipanel-core,hiqdev/hipanel-core,hiqdev/hipanel-core