Fix Playwright onboarding dialog and UI flow issues

- Fix gift recording flow to use correct Person button and Unnamed selection
- Add robust overlay closing loop to handle onboarding/help dialogs
- Fix multiple circle-info-link selector with .first() method
- Use correct aria-label for Copy to Clipboard button
- Improve user registration test to handle missing registration prompts
- 18/20 tests now passing (only API config test remaining)

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

@@ -100,7 +100,15 @@ test('Record something given', async ({ page }) => {
   // Record something given
   await page.goto('./');
   await page.getByTestId('closeOnboardingAndFinish').click();
-  await page.getByRole('heading', { name: 'Unnamed/Unknown' }).click();
+  
+  // Click the "Person" button to open the gift recording dialog
+  await page.getByRole('button', { name: 'Person' }).click();
+  
+  // In the dialog, click on "Unnamed" to select it as the giver
+  // Use the first "Unnamed" element which should be in the entity grid
+  await page.getByRole('heading', { name: 'Unnamed' }).first().click();
+  
+  // Fill in the gift details
   await page.getByPlaceholder('What was given').fill(finalTitle);
   await page.getByRole('spinbutton').fill(randomNonZeroNumber.toString());
   await page.getByRole('button', { name: 'Sign & Send' }).click();
@@ -110,7 +118,7 @@ test('Record something given', async ({ page }) => {
   // Refresh home view and check gift
   await page.goto('./');
   const item = await page.locator('li').filter({ hasText: finalTitle });
-  await item.locator('[data-testid="circle-info-link"]').click();
+  await item.locator('[data-testid="circle-info-link"]').first().click();
   await expect(page.getByRole('heading', { name: 'Verifiable Claim Details' })).toBeVisible();
   await expect(page.getByText(finalTitle, { exact: true })).toBeVisible();
   const page1Promise = page.waitForEvent('popup');