refactor: migrate all callers from unifiedFontStore to fontStore

src/widgets/ComparisonView/model/stores/comparisonStore.svelte.ts

@@ -16,7 +16,7 @@
 import {
     type UnifiedFont,
     fetchFontsByIds,
-    unifiedFontStore,
+    fontStore,
 } from '$entities/Font';
 import {
     DEFAULT_TYPOGRAPHY_CONTROLS_DATA,
@@ -85,7 +85,7 @@ export class ComparisonStore {
                 }
 
                 // Check if fonts are available to set as defaults
-                const fonts = unifiedFontStore.fonts;
+                const fonts = fontStore.fonts;
                 if (fonts.length >= 2) {
                     // Only set if we really have nothing (fallback)
                     if (!this.#fontA) this.#fontA = fonts[0];