test: select option dangling dropdown fix

Signed-off-by: Raju Udava <86527202+dstala@users.noreply.github.com>

tests/playwright/pages/Dashboard/common/Cell/SelectOptionCell.ts

@@ -65,6 +65,9 @@ export class SelectOptionCellPageObject extends BasePage {
 
     await this.get({ index, columnHeader }).click();
     await this.rootPage.locator('.ant-select-single > .ant-select-clear').click();
+
+    // Press `Escape` to close the dropdown
+    await this.rootPage.keyboard.press('Escape');
     await this.rootPage.locator(`.nc-dropdown-single-select-cell`).waitFor({ state: 'hidden' });
   }