fix: respect search.enable in the sidebar (#904)

layouts/_partials/sidebar.html

@@ -21,10 +21,12 @@
 {{- end -}}
 
 <aside class="hextra-sidebar-container hx:flex hx:flex-col hx:print:hidden hx:md:top-16 hx:md:shrink-0 hx:md:w-64 hx:md:self-start hx:max-md:[transform:translate3d(0,-100%,0)] {{ $sidebarClass }}">
+  {{- if (site.Params.search.enable | default true) -}}
     <!-- Search bar on small screen -->
     <div class="hx:px-4 hx:pt-4 hx:md:hidden">
       {{ partial "search.html" }}
     </div>
+  {{- end -}}
   <div class="hextra-scrollbar hx:overflow-y-auto hx:overflow-x-hidden hx:p-4 hx:grow hx:md:h-[calc(100vh-var(--navbar-height)-var(--menu-height))]">
     <ul class="hx:flex hx:flex-col hx:gap-1 hx:md:hidden">
       <!-- Nav -->