fix(logout): chrome extension detection didn't work under firefox
fix(logout): chrome extension detection didn't work under firefox

wavesplatform/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/UpcoinWallet,wavesplatform/UpcoinWallet,beregovoy68/WavesGUI,beregovoy68/WavesGUI,wavesplatform/WavesGUI