fix: library card icons are not vertically aligned #2473 (#2474)

Author: ahtesham-quraish

src/library-authoring/components/BaseCard.scss

@@ -31,7 +31,8 @@
       }
 
       .pgn__card-header-content {
-        margin-top: .55rem;
+        margin-top: 0;
+        justify-content: center;
       }
 
       .pgn__card-header-actions {