Chore: convert "unnamed" into constant

- "Unnamed/Unknown" simplified into just "Unnamed"
- Phrase variations have their own constants

test-playwright/30-record-gift.spec.ts

@@ -79,6 +79,7 @@
  * ```
  */
 import { test, expect } from '@playwright/test';
+import { UNNAMED_ENTITY_NAME } from '../src/constants/entities';
 import { importUser } from './testUtils';
 
 test('Record something given', async ({ page }) => {
@@ -101,7 +102,7 @@ test('Record something given', async ({ page }) => {
   await page.goto('./');
   await page.getByTestId('closeOnboardingAndFinish').click();
   await page.getByRole('button', { name: 'Person' }).click();
-  await page.getByRole('listitem').filter({ hasText: 'Unnamed' }).locator('svg').click();
+      await page.getByRole('listitem').filter({ hasText: UNNAMED_ENTITY_NAME }).locator('svg').click();
   await page.getByPlaceholder('What was given').fill(finalTitle);
   await page.getByRole('spinbutton').fill(randomNonZeroNumber.toString());
   await page.getByRole('button', { name: 'Sign & Send' }).click();