feat(avatar): support new badge hint feature (#30223)

Issue number: internal

---------

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## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- Added css on avatar to support the new badge vertical prop on md, ios
and ionic theme
- Added support on ionic theme for different position, according to the
Avatar size.
- There's no figma for md/iOS implementation, so just added for now a
best effort on how it looks.
- re-organized tests and added new screenshots for the avatar use-case.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

<!-- Any other information that is important to this PR such as
screenshots of how the component looks before and after the change. -->

- [Badge
hint](https://ionic-framework-git-rou-11628-ionic1.vercel.app/src/components/badge/test/hint?ionic:theme=ionic)

Author: BenOsodrac

core/src/components/avatar/avatar.common.scss

@@ -10,6 +10,8 @@
   @include border-radius(var(--border-radius));
 
   display: block;
+
+  position: relative;
 }
 
 ::slotted(ion-img),

core/src/components/avatar/avatar.ionic.scss

@@ -152,3 +152,22 @@
   width: globals.$ion-scale-1000;
   height: globals.$ion-scale-1000;
 }
+
+// Avatar Empty Badge (hint)
+// --------------------------------------------------
+
+:host(.avatar-xxsmall) ::slotted(ion-badge.badge-vertical-top:empty) {
+  transform: translate(globals.$ion-scale-100, calc(globals.$ion-scale-100 * -1));
+}
+
+:host(:not(.avatar-xxsmall)) ::slotted(ion-badge.badge-vertical-top:empty) {
+  transform: translate(globals.$ion-scale-050, calc(globals.$ion-scale-050 * -1));
+}
+
+:host(.avatar-xxsmall) ::slotted(ion-badge.badge-vertical-bottom:empty) {
+  transform: translate(globals.$ion-scale-100, calc(globals.$ion-scale-100));
+}
+
+:host(:not(.avatar-xxsmall)) ::slotted(ion-badge.badge-vertical-bottom:empty) {
+  transform: translate(0, globals.$ion-scale-100);
+}

core/src/components/avatar/avatar.md.scss

@@ -10,3 +10,14 @@
   width: $avatar-md-width;
   height: $avatar-md-height;
 }
+
+// Avatar Empty Badge (hint)
+// --------------------------------------------------
+
+::slotted(ion-badge.badge-vertical-top:empty) {
+  transform: translate(-50%, 50%);
+}
+
+::slotted(ion-badge.badge-vertical-bottom:empty) {
+  transform: translateX(-100%);
+}

core/src/components/badge/test/hint/badge.e2e.ts

@@ -2,13 +2,23 @@ import { expect } from '@playwright/test';
 import { configs, test } from '@utils/test/playwright';
 
 configs({ directions: ['ltr'], modes: ['md', 'ios', 'ionic-md'] }).forEach(({ config, screenshot, title }) => {
-  test.describe(title('badge: hint'), () => {
+  test.describe(title('badge: hint empty'), () => {
     test('should not have visual regressions', async ({ page }) => {
       await page.goto('/src/components/badge/test/hint', config);
 
-      const container = page.locator('ion-list');
+      const container = page.locator('#empty');
 
-      await expect(container).toHaveScreenshot(screenshot(`badge-hint`));
+      await expect(container).toHaveScreenshot(screenshot(`badge-hint-empty`));
+    });
+  });
+
+  test.describe(title('badge: hint inside avatar'), () => {
+    test('should not have visual regressions', async ({ page }) => {
+      await page.goto('/src/components/badge/test/hint', config);
+
+      const container = page.locator('#avatar');
+
+      await expect(container).toHaveScreenshot(screenshot(`badge-hint-avatar`));
     });
   });
 });