Sidebar: Revert lucide default sizes

Author: nginx-jack

assets/css/v2/style.css

@@ -1595,8 +1595,8 @@ hr {
 }
 
 .lucide {
-  width: 3rem;
-  height: 3rem;
+  width: 1.5rem;
+  height: 1.5rem;
   stroke: currentColor;
   fill: none;
   stroke-width: 2;