Wait for a UI5 dialog to open, optionally filtering by title or type.
Use before interacting with any dialog content.
Guarantee
On success, returns a DialogInfo for the first matching open dialog.
Prerequisite
An action that triggers a dialog must have been executed.
Ai Context
UI5 dialogs live in sap-ui-static area, not the normal view tree.
Always call this before confirmDialog() or dismissDialog() to ensure the dialog is open.
Waits for a dialog to appear in the UI5 static UI area.