fix: Show all liaison groups by default (ietf-tools#3852)

Requiring two characters to be entered before any options are shown makes no
sense here.

Author: larseggert

ietf/liaisons/forms.py

@@ -214,10 +214,12 @@ class LiaisonModelForm(BetterModelForm):
     '''
     from_groups = forms.ModelMultipleChoiceField(queryset=Group.objects.all(),label='Groups',required=False)
     from_groups.widget.attrs["class"] = "select2-field"
+    from_groups.widget.attrs['data-minimum-input-length'] = 0
     from_contact = forms.EmailField()   # type: Union[forms.EmailField, SearchableEmailField]
     to_contacts = forms.CharField(label="Contacts", widget=forms.Textarea(attrs={'rows':'3', }), strip=False)
     to_groups = forms.ModelMultipleChoiceField(queryset=Group.objects,label='Groups',required=False)
     to_groups.widget.attrs["class"] = "select2-field"
+    to_groups.widget.attrs['data-minimum-input-length'] = 0
     deadline = DatepickerDateField(date_format="yyyy-mm-dd", picker_settings={"autoclose": "1" }, label='Deadline', required=True)
     related_to = SearchableLiaisonStatementsField(label='Related Liaison Statement', required=False)
     submitted_date = DatepickerDateField(date_format="yyyy-mm-dd", picker_settings={"autoclose": "1" }, label='Submission date', required=True, initial=datetime.date.today())
@@ -571,4 +573,4 @@ def set_to_fields(self):
 
 
 class EditAttachmentForm(forms.Form):
-    title = forms.CharField(max_length=255)
+    title = forms.CharField(max_length=255)