fix(pos-login): center username with logout button when using default logged-in components

Author: angelo-v

elements/src/components/pos-login/pos-login.css

@@ -2,6 +2,9 @@
   display: flex;
   align-items: center;
   gap: var(--size-2);
+  > pos-resource {
+    display: flex;
+  }
 }
 .user-data {
   align-items: center;