refactor: migrate all callers from unifiedFontStore to fontStore

src/features/GetFonts/ui/FiltersControl/FilterControls.svelte

@@ -4,7 +4,7 @@
     Sits below the filter list, separated by a top border.
 -->
 <script lang="ts">
-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 { Button } from '$shared/ui';
@@ -33,7 +33,7 @@ const {
 
 $effect(() => {
     const apiSort = sortStore.apiValue;
-    untrack(() => unifiedFontStore.setSort(apiSort));
+    untrack(() => fontStore.setSort(apiSort));
 });
 
 const responsive = getContext<ResponsiveManager>('responsive');