Rename addToken to addAsset

Replace the WalletSheetType case `addToken` with `addAsset` and update all usages. Updated enum id string, WalletSceneViewModel (onSelectAddCustomToken) and WalletNavigationStack to use `.addAsset` for consistent, more generic naming across the wallet feature.

Author: DRadmir

Features/WalletTab/Sources/Types/WalletSheetType.swift

@@ -11,7 +11,7 @@ public enum WalletSheetType: Identifiable, Equatable, Sendable {
     case transferData(TransferData)
     case perpetualRecipientData(PerpetualRecipientData)
     case setPriceAlert(Asset)
-    case addToken
+    case addAsset
     case portfolio
 
     public var id: String {
@@ -22,7 +22,7 @@ public enum WalletSheetType: Identifiable, Equatable, Sendable {
         case .transferData(let data): "transferData-\(data.id)"
         case .perpetualRecipientData: "perpetualRecipientData"
         case .setPriceAlert(let asset): "setPriceAlert-\(asset.id.identifier)"
-        case .addToken: "addToken"
+        case .addAsset: "addAsset"
         case .portfolio: "portfolio"
         }
     }

Features/WalletTab/Sources/ViewModels/WalletSceneViewModel.swift

@@ -142,7 +142,7 @@ extension WalletSceneViewModel {
     }
 
     public func onSelectAddCustomToken() {
-        isPresentingSheet = .addToken
+        isPresentingSheet = .addAsset
     }
 
     func onSelectPortfolio() {

Gem/Navigation/Wallet/WalletNavigationStack.swift

@@ -208,7 +208,7 @@ struct WalletNavigationStack: View {
                             priceAlertService: priceAlertService
                         ) { model.onSetPriceAlertComplete(message: $0) }
                     )
-                case .addToken:
+                case .addAsset:
                     AddAssetNavigationStack(wallet: model.wallet)
                 case .portfolio:
                     WalletPortfolioScene(