Merge #719: gui: add chain in the title

7f4aca1 gui: add chain in the title (Bruno Garcia)

Pull request description:

  It allows to identify the chain (main, test, etc)
  when using the GUI.

ACKs for top commit:
  achow101:
    ACK 7f4aca1

Tree-SHA512: 69d218c20d84444dc3b81a9b9dad4c058644b1f493028a2baca7b167efa5951563c6addef024e9c39f196ccd53ca22c2e187aa97d836d27c87c49384f6a8600f

hwilib/_gui.py

@@ -325,7 +325,7 @@ def __init__(self, passphrase=None, chain=Chain.MAIN):
         super(HWIQt, self).__init__()
         self.ui = Ui_MainWindow()
         self.ui.setupUi(self)
-        self.setWindowTitle('HWI Qt')
+        self.setWindowTitle(f'HWI Qt - {chain}')
 
         self.devices = []
         self.client = None