Make AccountManager.getAccountsFlow() only return fully set up accounts

app/core/src/main/java/com/fsck/k9/Preferences.kt

@@ -110,6 +110,9 @@ class Preferences internal constructor(
             }
         }
 
+    private val completeAccounts: List<Account>
+        get() = accounts.filter { it.isFinishedSetup }
+
     override fun getAccount(accountUuid: String): Account? {
         synchronized(accountLock) {
             if (accountsMap == null) {
@@ -151,10 +154,10 @@ class Preferences internal constructor(
     @OptIn(ExperimentalCoroutinesApi::class)
     override fun getAccountsFlow(): Flow<List<Account>> {
         return callbackFlow {
-            send(accounts)
+            send(completeAccounts)
 
             val listener = AccountsChangeListener {
-                trySendBlocking(accounts)
+                trySendBlocking(completeAccounts)
             }
             addOnAccountsChangeListener(listener)
 

app/ui/legacy/src/main/java/com/fsck/k9/ui/settings/SettingsListFragment.kt

@@ -77,11 +77,10 @@ class SettingsListFragment : Fragment(), ItemTouchCallback {
 
     private fun populateSettingsList() {
         viewModel.accounts.observeNotNull(this) { accounts ->
-            val accountsFinishedSetup = accounts.filter { it.isFinishedSetup }
-            if (accountsFinishedSetup.isEmpty()) {
+            if (accounts.isEmpty()) {
                 launchOnboarding()
             } else {
-                populateSettingsList(accountsFinishedSetup)
+                populateSettingsList(accounts)
             }
         }
     }