Emit PERSONA_CREATED event on persona duplication (#5448)

* feat: emit PERSONA_CREATED event when duplicating a persona

Adds PERSONA_CREATED event emission in duplicatePersona() to notify listeners when a persona is duplicated. Includes the new avatarId, name, and duplicatedFromAvatarId in the event payload.

* fix: event data and execution order

---------

Co-authored-by: Cohee <18619528+Cohee1207@users.noreply.github.com>

public/scripts/personas.js

@@ -1827,6 +1827,16 @@ async function duplicatePersona(avatarId) {
     };
 
     await uploadUserAvatar(getUserAvatar(avatarId), newAvatarId);
+
+    const eventData = {
+        avatarId: newAvatarId,
+        name: personaName,
+        description: descriptor?.description ?? '',
+        title: descriptor?.title ?? '',
+        duplicatedFromAvatarId: avatarId,
+    };
+    await eventSource.emit(event_types.PERSONA_CREATED, eventData);
+
     await getUserAvatars(true, newAvatarId);
     saveSettingsDebounced();
 }