Move the chain switcher into the settings drawer

apps/ios/Koins/Views/RootView.swift

@@ -165,15 +165,17 @@ struct HomeView: View {
 
   private var walletCard: some View {
     VStack(spacing: 14) {
-      ChainPicker(selection: Binding(get: { model.chain },
-                                     set: { newValue in Task { await model.select(newValue) } }))
-
       Card {
         VStack(alignment: .leading, spacing: 12) {
           HStack {
+            VStack(alignment: .leading, spacing: 2) {
               Text(model.wallet?.name ?? "Wallet")
                 .font(.system(size: 16, weight: .semibold))
                 .foregroundStyle(Theme.text)
+              Text(model.chain.title)
+                .font(.system(size: 11, weight: .medium))
+                .foregroundStyle(Theme.muted)
+            }
             Spacer()
           }
 

apps/ios/Koins/Views/SettingsView.swift

@@ -12,6 +12,16 @@ struct SettingsView: View {
       VStack(alignment: .leading, spacing: 18) {
         ScreenHeader(title: "Settings", subtitle: "Security and device options", onBack: { dismiss() })
 
+        Card {
+          VStack(alignment: .leading, spacing: 10) {
+            Text("Wallet")
+              .font(.system(size: 13, weight: .semibold))
+              .foregroundStyle(Theme.muted)
+            ChainPicker(selection: Binding(get: { model.chain },
+                                           set: { newValue in Task { await model.select(newValue) } }))
+          }
+        }
+
         Card {
           VStack(alignment: .leading, spacing: 10) {
             Text("Currency")