Fix report form to use appropriate templates

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

board/forms.py

@@ -1,7 +1,8 @@
 from django.conf import settings
 from django.db import transaction
-from django.forms import ModelForm
-from board.models import Post, Report, ReportRecord
+from django.db.models import Q
+from django.forms import ModelForm, ModelChoiceField
+from board.models import Post, Report, ReportReason, ReportRecord
 from hcaptcha.fields import hCaptchaField
 
 
@@ -61,6 +62,8 @@ class ReportForm(ModelForm):
         super(ReportForm, self).__init__(*args, **kwargs)
         self.instance.ip = ip
         self.op = op
+        queryset = ReportReason.objects.filter(Q(board=None) | Q(board=board))
+        self.fields["reason"] = ModelChoiceField(queryset=queryset)
 
     def clean(self):
         # Get or create the record before creating the model