All dialogs should have a close button which is invisible by default.
BaseDialogPresenter gets a ShowCloseButton() method which enables a caller to add the close button - for example when a modal is created.
Currently FormDialogPresenterImpl calls it immediately before adding a dialogCloseHandler.
A cascade of classes handle ShowCloseButton() all the way to the DialogHeaderWidget on the client side where the button is rendered.
- is depended upon by
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MGNLUI-627 Restore the close icon in dialog headers
- Closed