Allow diabling osTicket integration per run

.bin/Scripts/functions/hw_diags.py

@@ -142,11 +142,16 @@ def get_osticket_number():
     """Get ticket number and confirm with name from osTicket DB."""
     ticket_number = None
     if not ost_db['Cursor']:
-        # No DB access, just set it to 0
-        return 0
+        # No DB access, return None to disable integration
+        return None
     while ticket_number is None:
         print_standard(' ')
-        _input = input('Enter ticket number: ')
+        _input = input('Enter ticket number (or leave blank to disable): ')
+        if re.match(r'^\s*$', _input):
+            if ask('Disable osTicket integration for this run?'):
+                return None
+            else:
+                continue
         if not re.match(r'^([0-9]+)$', _input):
             continue
         _name = osticket_get_ticket_name(_input)