v0.5.114: убраны зашитые касания боевых хостов ячейки A (mail/035)

- дефолт-URL экрана входа -> BuildConfig.DEFAULT_SERVER_URL (-Pf7DefaultServerUrl, по умолчанию пусто)
- TalkHelper: preconnect только к origin сессии, хардкод hpb-prod.f7cloud.ru удалён
- AuthErrors: нейтральный пример адреса сервера

app/src/main/java/ru/forbion/f7cloud/mobile/ui/AppScaffold.kt

@@ -69,6 +69,7 @@ import kotlinx.coroutines.withContext
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.tasks.await
+import ru.forbion.f7cloud.mobile.BuildConfig
 import ru.forbion.f7cloud.core.auth.AppLockStore
 import ru.forbion.f7cloud.core.auth.AuthSession
 import ru.forbion.f7cloud.core.auth.AuthStore
@@ -679,7 +680,7 @@ private fun LoginScreen(onLogin: (AuthSession) -> Unit) {
     val serverFocus = remember { FocusRequester() }
     val usernameFocus = remember { FocusRequester() }
     val passwordFocus = remember { FocusRequester() }
-    var serverUrl by rememberSaveable { mutableStateOf("https://forbion.f7cloud.ru") }
+    var serverUrl by rememberSaveable { mutableStateOf(BuildConfig.DEFAULT_SERVER_URL) }
     var username by rememberSaveable { mutableStateOf("") }
     var password by rememberSaveable { mutableStateOf("") }
     var trustAllCerts by rememberSaveable { mutableStateOf(false) }