Automatically focus the execute button in the DacFx wizard summary screens (#6984)

* Focus piping for extension buttons

* Focus the done button when entering the summary page for DacFx wizard

* Adding internal value resets for extension-side button model.

* Correcting remark string

extensions/dacpac/src/wizard/pages/dacFxSummaryPage.ts

@@ -54,6 +54,9 @@ export class DacFxSummaryPage extends BasePage {
 		if (this.model.upgradeExisting && this.instance.selectedOperation === Operation.deploy) {
 			this.instance.wizard.generateScriptButton.hidden = false;
 		}
+
+		this.instance.wizard.doneButton.focused = true;
+
 		return true;
 	}