title: django-autocomplete-light with gm2m in modals bootstrap: the select not showing in template
body: <p>i I'm trying to get autocomplete-light with Gm2m , But autocomplete.GM2MQuerySetSequenceField doesn't shows all choices.</p>
  
  <p>View.py</p>
  
  <pre><code>class RessourceAutocompleteView(Select2QuerySetSequenceView):
  
  def get_queryset(self):
          employees = Employees.objects.all()
          freecontracts = Frecontract.objects.filter(IS_ACTIVE=True)
          freeagencies = Freagencies.objects.filter(IS_ACTIVE=True)
          freelancers = Freelancers.objects.filter(IS_ACTIVE=True)
  
          if self.q:
              employees = Employees.objects.filter(EMP_FIRST_NAME__icontains=self.q)
              freecontracts = Frecontract.objects.filter(FIRST_NAME__icontains=self.q,
                                                         IS_ACTIVE=True)
              freeagencies = Freagencies.objects.filter(AG_NAME__icontains=self.q,
                                                        IS_ACTIVE=True)
              freelancers = Freelancers.objects.filter(FRE_FIRST_NAME__icontains=self.q,
                                                       IS_ACTIVE=True)
              #
  
          # Aggregate querysets
          qs = QuerySetSequence(employees, freecontracts, freeagencies, freelancers)
          # qs = QuerySetSequence(employees)
  
          if self.q:
              # This would apply the filter on all the querysets
              qs = qs.filter(Q(EMP_FIRST_NAME__icontains=self.q)|
                             Q(FIRST_NAME__icontains=self.q)|
                             Q(AG_NAME__icontains=self.q) |
                             Q(FRE_FIRST_NAME__icontains=self.q
                            ))
  
          # This will limit each queryset so that they show an equal number
          # of results.
          qs = self.mixup_querysets(qs)
  
          return qs
  </code></pre>
  
  <p>Forms.py : </p>
  
  <pre><code>class QAMForm(autocomplete.FutureModelForm):
  def __init__(self, *args, **kwargs):
  
      super(QAMForm, self).__init__(*args, **kwargs)
      for field in iter(self.fields):
          self.fields[field].widget.attrs.update({
              'class': 'form-control'
          })
  
  TRANSLATOR = autocomplete.GM2MQuerySetSequenceField(
      queryset=autocomplete.QuerySetSequence(
          Employees.objects.all(),
          Frecontract.objects.all(),
          Freagencies.objects.all(),
          Freelancers.objects.all(),
      ),
      required=False,
      label=_("Traducteur(s)"),
      widget=autocomplete.QuerySetSequenceSelect2Multiple(
          'qm:ressource-autocomplete'),
  )
  
  PROOFREADER = autocomplete.GM2MQuerySetSequenceField(
      queryset=autocomplete.QuerySetSequence(
       # all models 
          Employees.objects.all(),
          Frecontract.objects.all(),
          Freagencies.objects.all(),
          Freelancers.objects.all(),
      ),
      required=False,
      label=_("Relecteur(s)"),
      widget=autocomplete.QuerySetSequenceSelect2Multiple(
          'qm:ressource-autocomplete'),
  )
  PM = forms.ModelMultipleChoiceField(queryset=Employees.objects.filter(TYPE_RESOURCE__TYPE__in = ('PMJ', 'PMS')),
                                      required=False, label=_("PM(s)"),)
  # QA = forms.ModelChoiceField(queryset=Employees.objects.filter(TYPE_RESOURCE__TYPE__in=('PMJ', 'PMS')),
  #                            required=False)
  
  class Meta:
      model = Feedback
      fields = ['PM']
  </code></pre>
  
  <p>Models.py:</p>
  
  <pre><code>class Feedback(models.Model):
  #the fields
  TRANSLATOR = GM2MField()
  PROOFREADER = GM2MField()
  PM = models.CharField(max_length=250,  blank=True, null=True)
  </code></pre>
  
  <p>I apply it under modals bootstrap in the first click to display the modals that contains the form it does not display the select with choices just after the second click.</p>
  
  <p>Thanks in advance</p>