hw wallets: handle cancellation for "query_choice" in wizard
hw wallets: handle cancellation for "query_choice" in wizard

E | gui.qt.exception_window.Exception_Hook | exception caught by crash reporter
Traceback (most recent call last):
  File "...\electrum\electrum\plugins\hw_wallet\qt.py", line 193, in win_query_choice
    self.choice = self.win.query_choice(msg, labels)
  File "...\electrum\electrum\gui\qt\installwizard.py", line 545, in query_choice
    self.exec_layout(vbox, '')
  File "...\electrum\electrum\gui\qt\installwizard.py", line 392, in exec_layout
    raise UserCancelled
electrum.util.UserCancelled

spesmilo/electrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,spesmilo/electrum,pooler/electrum-ltc,pooler/electrum-ltc,vialectrum/vialectrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,spesmilo/electrum,spesmilo/electrum,vialectrum/vialectrum,pooler/electrum-ltc,vialectrum/vialectrum,pooler/electrum-ltc