docs(utils): update zindex @name description

packages/utils/docs/customization.md

@@ -6140,49 +6140,49 @@ This is equivalent to `max-width: fit-content;`.
 
 
 
-### `.k-zindex-0`
+### `.k-z-0`
 
 This is equivalent to `z-index: 0;`.
 
 
 
 
-### `.k-zindex-10`
+### `.k-z-10`
 
 This is equivalent to `z-index: 10;`.
 
 
 
 
-### `.k-zindex-20`
+### `.k-z-20`
 
 This is equivalent to `z-index: 20;`.
 
 
 
 
-### `.k-zindex-30`
+### `.k-z-30`
 
 This is equivalent to `z-index: 30;`.
 
 
 
 
-### `.k-zindex-40`
+### `.k-z-40`
 
 This is equivalent to `z-index: 40;`.
 
 
 
 
-### `.k-zindex-50`
+### `.k-z-50`
 
 This is equivalent to `z-index: 50;`.
 
 
 
 
-### `.k-zindex-auto`
+### `.k-z-auto`
 
 This is equivalent to `z-index: auto;`.
 

packages/utils/scss/layout/_zindex.scss

@@ -1,42 +1,42 @@
 /// This is equivalent to `z-index: 0;`.
 /// @example z-index: 0;
-/// @name .k-zindex-0
+/// @name .k-z-0
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: 10;`.
 /// @example z-index: 10;
-/// @name .k-zindex-10
+/// @name .k-z-10
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: 20;`.
 /// @example z-index: 20;
-/// @name .k-zindex-20
+/// @name .k-z-20
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: 30;`.
 /// @example z-index: 30;
-/// @name .k-zindex-30
+/// @name .k-z-30
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: 40;`.
 /// @example z-index: 40;
-/// @name .k-zindex-40
+/// @name .k-z-40
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: 50;`.
 /// @example z-index: 50;
-/// @name .k-zindex-50
+/// @name .k-z-50
 /// @group zindex
 /// @contextType css
 
 /// This is equivalent to `z-index: auto;`.
 /// @example z-index: auto;
-/// @name .k-zindex-auto
+/// @name .k-z-auto
 /// @group zindex
 /// @contextType css