Fix migration logic

VoiceInk/Services/AudioDeviceManager.swift

@@ -29,11 +29,6 @@ class AudioDeviceManager: ObservableObject {
     init() {
         setupFallbackDevice()
         loadPrioritizedDevices()
-        loadAvailableDevices { [weak self] in
-            self?.initializeSelectedDevice()
-        }
-
-        migrateFromSystemDefaultIfNeeded()
 
         if let savedMode = UserDefaults.standard.audioInputModeRawValue,
            let mode = AudioInputMode(rawValue: savedMode) {
@@ -42,6 +37,11 @@ class AudioDeviceManager: ObservableObject {
             inputMode = .custom
         }
 
+        loadAvailableDevices { [weak self] in
+            self?.migrateFromSystemDefaultIfNeeded()
+            self?.initializeSelectedDevice()
+        }
+
         setupDeviceChangeNotifications()
     }