chore(FontVirtualList): transform FontList into reusable FontVirtualList component with appliedFontsManager support

src/entities/Font/ui/FontVirtualList/FontVirtualList.svelte

@@ -0,0 +1,30 @@
+<script lang="ts" generics="T extends { id: string }">
+import { VirtualList } from '$shared/ui';
+import type { ComponentProps } from 'svelte';
+import { appliedFontsManager } from '../../model/store/appliedFontsStore/appliedFontsStore.svelte';
+
+interface Props extends Omit<ComponentProps<typeof VirtualList<T>>, 'onVisibleItemsChange'> {
+    onVisibleItemsChange?: (items: T[]) => void;
+}
+
+let { items, children, onVisibleItemsChange, ...rest }: Props = $props();
+
+function handleInternalVisibleChange(visibleItems: T[]) {
+    // Auto-register fonts with the manager
+    const slugs = visibleItems.map(item => item.id);
+    appliedFontsManager.registerFonts(slugs);
+
+    // Forward the call to any external listener
+    onVisibleItemsChange?.(visibleItems);
+}
+</script>
+
+<VirtualList
+    {items}
+    {...rest}
+    onVisibleItemsChange={handleInternalVisibleChange}
+>
+    {#snippet children(scope)}
+        {@render children(scope)}
+    {/snippet}
+</VirtualList>