auth: complete account authorization flows

(cherry picked from commit 04f4527df32ad5c35720cccc41d27fe51549612f)

internal/compat/tdesktop/startup_stubs.go

@@ -53,6 +53,10 @@ func Authorizations() *tg.AccountAuthorizations {
 	return &tg.AccountAuthorizations{Authorizations: []tg.Authorization{}}
 }
 
+func WebAuthorizations() *tg.AccountWebAuthorizations {
+	return &tg.AccountWebAuthorizations{Authorizations: []tg.WebAuthorization{}, Users: []tg.UserClass{}}
+}
+
 func Passkeys() *tg.AccountPasskeys {
 	return &tg.AccountPasskeys{Passkeys: []tg.Passkey{}}
 }
@@ -69,6 +73,22 @@ func AccountThemes() tg.AccountThemesClass {
 	return &tg.AccountThemesNotModified{}
 }
 
+func AutoDownloadSettings() *tg.AccountAutoDownloadSettings {
+	settings := tg.AutoDownloadSettings{
+		PhotoSizeMax:                  10 * 1024 * 1024,
+		VideoSizeMax:                  20 * 1024 * 1024,
+		FileSizeMax:                   20 * 1024 * 1024,
+		VideoUploadMaxbitrate:         1000,
+		SmallQueueActiveOperationsMax: 2,
+		LargeQueueActiveOperationsMax: 1,
+	}
+	return &tg.AccountAutoDownloadSettings{
+		Low:    settings,
+		Medium: settings,
+		High:   settings,
+	}
+}
+
 func DefaultEmojiStatuses() tg.AccountEmojiStatusesClass {
 	return &tg.AccountEmojiStatusesNotModified{}
 }