fix(ui): repair sidebar drawer, dropdown focus and footer slots

packages/ui/components/Footer.wrn

@@ -475,6 +475,7 @@ component Footer {
     }
 
     .wrn-footer__copyright {
+      grid-column: 2;
       margin: 0;
       text-align: center;
       white-space: nowrap;
@@ -502,7 +503,12 @@ component Footer {
       text-underline-offset: 0.2em;
     }
 
+    .wrn-footer__copyright-left {
+      grid-column: 1;
+    }
+
     .wrn-footer__copyright-right {
+      grid-column: 3;
       justify-content: flex-end;
       text-align: right;
     }
@@ -545,10 +551,12 @@ component Footer {
       }
     .wrn-footer__copyright-left,
       .wrn-footer__copyright-right {
+        grid-column: 1;
         justify-content: center;
         text-align: center;
       }
     .wrn-footer__copyright {
+        grid-column: 1;
         white-space: normal;
       }
     }