machines under maintenance no longer show up when looking for machines

Author: TheStrgamer

src/make_queue/views/reservation.py

@@ -379,7 +379,7 @@ def form_valid(self, form):
 
         periods = []
         for machine in form.cleaned_data['machine_type'].machines.all():
-            if not machine.get_status() == Machine.Status.OUT_OF_ORDER:
+            if not (machine.get_status() == Machine.Status.OUT_OF_ORDER or machine.get_status() == Machine.Status.MAINTENANCE):
                 periods.extend(self.get_periods(machine, required_time))
 
         # Periods in the near future is more interesting than in the distant