Fix R128 and remaining ID fields to accept both JSON types

- Track.R128 and TrackShort.R128: float64 → JSONR128 (accepts both JSON number and object)
- All remaining primary ID fields: string → JSONID (accepts both JSON string and number)
  Fixed in: account, artist, clip, concert, feed, label, landing, metatag,
  music_history, pin, queue, radio, search, settings, supplement

internal/models/account.go

@@ -112,7 +112,7 @@ func (a *AccountSettings) DeList(data []byte, c ClientInterface) ([]Model, error
 // Subscription represents subscription info.
 type Subscription struct {
 	BaseModel
-	ID             string   `json:"id"`
+	ID JSONID `json:"id"`
 	Type           string   `json:"type"`
 	Status         string   `json:"status"`
 	StartDate      string   `json:"start_date"`