docs: fix overlap between input and clear button in search (#12949)

Author: shahednasser

www/packages/docs-ui/src/components/Search/index.tsx

@@ -80,7 +80,7 @@ export const Search = ({
               ),
               form: clsx("h-full md:rounded-t-docs_xl bg-transparent"),
               input: clsx(
-                "w-full h-full px-docs_1 py-docs_0.75 text-medusa-fg-base",
+                "w-[calc(100%-40px)] h-full px-docs_1 py-docs_0.75 text-medusa-fg-base",
                 "placeholder:text-medusa-fg-muted bg-medusa-bg-base",
                 "md:rounded-t-docs_xl text-compact-large sm:text-compact-medium",
                 "appearance-none search-cancel:hidden border-0 active:outline-none focus:outline-none"