refactor(avatar): remove usage of :not() (#30229)

Issue number: internal

---------

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## What is the new behavior?
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- Remove usage of :not() for the badge ionic sizes.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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Author: BenOsodrac

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

@@ -156,18 +156,18 @@
 // Avatar Empty Badge (hint)
 // --------------------------------------------------
 
+:host ::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-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 ::slotted(ion-badge.badge-vertical-bottom:empty) {
+  transform: translate(0, globals.$ion-scale-100);
 }
 
 :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);
-}