debugmode
viewlogs
    ~/.var/app/org.telegram.desktop/data/TelegramDesktop/

https://github.com/telegramdesktop/tdesktop/blob/a25f55ba68e98044eff76f3c2b5fcbd4417f0b6f/Telegram/SourceFiles/settingswidget.cpp#L810-L866

https://github.com/telegramdesktop/tdesktop/blob/master/Telegram/SourceFiles/settings/settings_codes.cpp#L76
https://github.com/telegramdesktop/tdesktop/blob/master/Telegram/SourceFiles/settings/settings_codes.cpp#L78
https://github.com/telegramdesktop/tdesktop/blob/master/Telegram/SourceFiles/core/launcher.cpp#LL100C16-L100C16
    QString DebugModeSettingPath() {
      return cWorkingDir() + qsl("tdata/withdebug");
    }
    void ComputeDebugMode() {
      Logs::SetDebugEnabled(cAlphaVersion() != 0);
      const auto debugModeSettingPath = DebugModeSettingPath();
      auto file = QFile(debugModeSettingPath);
      if (file.exists() && file.open(QIODevice::ReadOnly)) {
        Logs::SetDebugEnabled(file.read(1) != "0");
      }
      if (cDebugMode()) {
        Logs::SetDebugEnabled(true);
      }
      if (Logs::DebugEnabled()) {
        QLoggingCategory::setFilterRules("qt.qpa.gl.debug=true");
      }
    }