fix: adjust gap in .Panels for improved layout consistency

- Reduced the gap property in .Panels from '2rem 3rem' to '2rem' for better alignment and spacing.
- This change continues the effort to enhance visual consistency across the plugin.

emhttp/plugins/dynamix/styles/default-base.css

@@ -1359,7 +1359,7 @@ a.list {
 .Panels {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(120px, 120px));
-    gap: 2rem 3rem;
+    gap: 2rem;
     margin-top: 2rem;
     box-sizing: border-box;
     justify-content: start;