Small parser argument fix

Additional changes were necessary. Now it's possible to use either
-y or --yes-to-all to get a 'y' answers on all yes/no questions.

The result of the parser is explicitly stored on a variable called
'y' on the namespace that the argparse returns.

Task: 48626
Story: 2005051
Change-Id: I4760ea2f1f77bee7c11cf7e0e76ee2566f383b19

virtualbox/pybox/Parser.py

@@ -314,7 +314,7 @@ def parse_networking(parser: ArgumentParser):
                         """,
                         type=str,
                         default='32000')
-    parser.add_argument("-y", "--yes-to-all", help=
+    parser.add_argument("-y", "--yes-to-all", dest="y", help=
                         """
                         Automatically answers all yes/no prompts with yes.
                         """,

virtualbox/pybox/install_vbox.py

@@ -284,9 +284,11 @@ def yes_no_prompt(message):
     Returns:
         Answer to the prompt(bool)
     """
-    if V_BOX_OPTIONS.y == True:
+    question = message + " (y/n)"
+    if V_BOX_OPTIONS.y is True:
+        LOG.info("Automatically answering 'y' to '%s'", question)
         return True
-    LOG.info("%s (y/n)",message)
+    LOG.info("%s", question)
     choice = input().lower()
     if choice == 'y':
         return True
@@ -331,7 +333,7 @@ def create_port_forward(hostname, network, local_port, guest_port, guest_ip):
             )
         else:
             LOG.info("Ignoring the creation of the port-forward rule and continuing installation!")
-        
+
 
 
 # pylint: disable=too-many-locals, too-many-branches, too-many-statements