fixed unable to click on hamburger button (#2137)

build/scss/_layout.scss

@@ -155,28 +155,30 @@ body,
 
   &.sidebar-collapse {
     .brand-link {
-      $local-sidebar-transition: width $transition-speed $transition-fn;
-      @include transition($local-sidebar-transition);
+      transition: width $transition-speed $transition-fn;
       width: $sidebar-mini-width;
       height: 57px;
     }
 
     .main-sidebar:hover {
       .brand-link {
+        transition: width $transition-speed $transition-fn;
         width: $sidebar-width;
       }
     }
   }
 
+
   .sidebar {
     margin-top: 57px;
   }
 
   .brand-link {
-
+    transition: width $transition-speed $transition-fn;
     position: fixed;
+    overflow: hidden;
     top: 0;
-    z-index: $zindex-main-sidebar;
+    z-index: $zindex-main-sidebar + 1;
     width: $sidebar-width;
   }
 

dist/css/adminlte.css

@@ -9800,13 +9800,8 @@ body,
   height: 57px;
 }
 
-@media (prefers-reduced-motion: reduce) {
-  .layout-navbar-fixed.sidebar-collapse .brand-link {
-    transition: none;
-  }
-}
-
 .layout-navbar-fixed.sidebar-collapse .main-sidebar:hover .brand-link {
+  transition: width 0.3s ease-in-out;
   width: 250px;
 }
 
@@ -9815,9 +9810,11 @@ body,
 }
 
 .layout-navbar-fixed .brand-link {
+  transition: width 0.3s ease-in-out;
   position: fixed;
+  overflow: hidden;
   top: 0;
-  z-index: 950;
+  z-index: 951;
   width: 250px;
 }