fix(fixed avatar placeholder): fixed avatar placeholder height and width

src/components/FunctionalArea/TopBar/UserAvatar/UserAvatar.component.tsx

@@ -3,6 +3,6 @@ import avatarImg from '@/assets/images/user-avatar.png';
 
 export const UserAvatar = (): JSX.Element => (
   <div className="w-8 h-8 mr-7" data-testid="user-avatar">
-    <Image src={avatarImg} fill alt="user avatar" />
+    <Image src={avatarImg} alt="user avatar" width={32} height={32} />
   </div>
 );