feat: simplify language support in quality profiles

- moved language field in quality profile general page
- simplify transformation for sonarr by making languages optional

src/lib/server/utils/arr/types.ts

@@ -607,7 +607,7 @@ export interface ArrQualityProfilePayload {
 	id?: number;
 	name: string;
 	items: ArrQualityProfileItem[];
-	language: ArrLanguage;
+	language?: ArrLanguage; // Radarr only - Sonarr uses custom formats for language filtering
 	upgradeAllowed: boolean;
 	cutoff: number;
 	minFormatScore: number;