el containercssclass prevenia mostrar el dropdown en multiple:false

https://github.com/yourlabs/django-autocomplete-light/pull/1015

app/assets/javascripts/select2.js

@@ -1,11 +1,6 @@
 $(document).on('turbolinks:load', function() {
   $('.select2').select2({
-    tags: true,
-    tokenSeparators: [','],
-    allowClear: true,
-    placeholder: '',
     theme: 'bootstrap',
-    containerCssClass: ':all:',
     width: ''
   });
 });

app/models/post/template_field.rb

@@ -15,6 +15,16 @@ class Post
       complex? ? contents.dig('value') : contents
     end
 
+    def max
+      return 0 if simple?
+      contents.fetch('max', 0)
+    end
+
+    def min
+      return 0 if simple?
+      contents.fetch('min', 0)
+    end
+
     def type
       return @type if @type
 

app/views/posts/template_field/_select.haml

@@ -4,6 +4,8 @@
   multiple: template.multiple?,
   required: template.required?,
   data: { tags: template.open?,
-  placeholder: t('posts.select.placeholder')}}
+  placeholder: t('posts.select.placeholder'),
+  'allow-clear': template.multiple?,
+  'maximum-selection-length': template.max }}
 - if template.open?
   %small.text-muted.form-text= t('posts.open')