Fix: target success notification

- Changed target element from span to h4

test-playwright/60-new-activity.spec.ts

@@ -24,7 +24,7 @@ test('New offers for another user', async ({ page }) => {
   await expect(page.locator('button > svg.fa-plus')).toBeVisible();
   await page.locator('button > svg.fa-plus').click();
   await page.locator('div[role="alert"] button:has-text("No")').click(); // don't register
-  await expect(page.locator('div[role="alert"] span:has-text("Success")')).toBeVisible();
+  await expect(page.locator('div[role="alert"] h4:has-text("Success")')).toBeVisible();
   await page.locator('div[role="alert"] button > svg.fa-xmark').click(); // dismiss info alert
   await expect(page.locator('div[role="alert"] button > svg.fa-xmark')).toBeHidden(); // ensure alert is gone