separate load_wallet hook for installwizard

gui/qt/installwizard.py

@@ -347,7 +347,7 @@ class InstallWizard(QDialog):
             password = None
 
         # load wallet in plugins
-        run_hook('load_wallet', wallet, self)
+        always_hook('installwizard_load_wallet', wallet, self)
 
         while action is not None:
             util.print_error("installwizard:", wallet, action)

plugins/trezor.py

@@ -117,6 +117,10 @@ class Plugin(BasePlugin):
             QMessageBox.information(self.window, _('Error'), _("Trezor device not detected.\nContinuing in watching-only mode."), _('OK'))
             self.wallet.force_watching_only = True
 
+    @hook
+    def installwizard_load_wallet(self, wallet, window):
+        self.load_wallet(wallet, window)
+
     @hook
     def installwizard_restore(self, wizard, storage):
         if storage.get('wallet_type') != 'trezor': 

plugins/trustedcoin.py

@@ -333,6 +333,11 @@ class Plugin(BasePlugin):
         t.setDaemon(True)
         t.start()
 
+    @hook
+    def installwizard_load_wallet(self, wallet, window):
+        self.wallet = wallet
+        self.window = window
+
     @hook
     def close_wallet(self):
         self.window.statusBar().removeWidget(self.trustedcoin_button)