feat(FontSampler): redesign component, remuve unused code, add stories

src/widgets/FontSearch/ui/FontSearch/FontSearch.svelte

@@ -80,10 +80,9 @@ function toggleFilters() {
                 <div class="w-px h-5 bg-border-subtle"></div>
                 <div style:transform="scale({transform.current.scale})">
                     <IconButton onclick={toggleFilters}>
-                        {#snippet icon({ className })}
+                        {#snippet icon()}
                             <SlidersHorizontalIcon
                                 class={cn(
-                                    className,
                                     showFilters ? 'stroke-foreground stroke-3' : 'stroke-text-muted',
                                 )}
                             />