refactor: migrate all callers from unifiedFontStore to fontStore

src/widgets/SampleList/ui/SampleListSection/SampleListSection.svelte

@@ -4,7 +4,7 @@
 -->
 <script lang="ts">
 import { NavigationWrapper } from '$entities/Breadcrumb';
-import { unifiedFontStore } from '$entities/Font';
+import { fontStore } from '$entities/Font';
 import type { ResponsiveManager } from '$shared/lib';
 import { cn } from '$shared/shadcn/utils/shadcn-utils';
 import {
@@ -36,7 +36,7 @@ const responsive = getContext<ResponsiveManager>('responsive');
             id="sample_set"
             title="Sample Set"
             headerTitle="visual_output"
-            headerSubtitle="items_total: {unifiedFontStore.pagination.total ?? 0}"
+            headerSubtitle="items_total: {fontStore.pagination.total ?? 0}"
             headerAction={registerAction}
         >
             {#snippet headerContent()}