Add focus function for modelview components (#8348)

* Add focus method for modelview components

* Remove focus properties from table and radiobutton

* Fix break

src/sql/workbench/browser/modelComponents/inputbox.component.ts

@@ -325,4 +325,8 @@ export default class InputBoxComponent extends ComponentBase implements ICompone
 	public set stopEnterPropagation(newValue: boolean) {
 		this.setPropertyFromUI<azdata.InputBoxProperties, boolean>((props, value) => props.stopEnterPropagation = value, newValue);
 	}
+
+	public focus(): void {
+		this.inputElement.focus();
+	}
 }