change default value of confirmed_only, spending unconfirmed coins

gui/kivy/main_window.py

@@ -262,7 +262,7 @@ class ElectrumWindow(App):
 
         self.use_rbf = config.get('use_rbf', False)
         self.use_change = config.get('use_change', True)
-        self.use_unconfirmed = not config.get('confirmed_only', True)
+        self.use_unconfirmed = not config.get('confirmed_only', False)
 
         # create triggers so as to minimize updation a max of 2 times a sec
         self._trigger_update_wallet = Clock.create_trigger(self.update_wallet, .5)

gui/qt/main_window.py

@@ -2619,7 +2619,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
         def on_unconf(x):
             self.config.set_key('confirmed_only', bool(x))
-        conf_only = self.config.get('confirmed_only', True)
+        conf_only = self.config.get('confirmed_only', False)
         unconf_cb = QCheckBox(_('Spend only confirmed coins'))
         unconf_cb.setToolTip(_('Spend only confirmed inputs.'))
         unconf_cb.setChecked(conf_only)

lib/wallet.py

@@ -536,7 +536,7 @@ class Abstract_Wallet(PrintError):
         return c, u, x
 
     def get_spendable_coins(self, domain, config):
-        confirmed_only = config.get('confirmed_only', True)
+        confirmed_only = config.get('confirmed_only', False)
         return self.get_utxos(domain, exclude_frozen=True, mature=True, confirmed_only=confirmed_only)
 
     def get_utxos(self, domain = None, exclude_frozen = False, mature = False, confirmed_only = False):