dropdown target fix

datacenterlight/cms_models.py

@@ -122,7 +122,7 @@ class DCLLinkPluginModel(CMSPlugin):
 
 class DCLNavbarDropdownPluginModel(CMSPlugin):
     target = models.CharField(
-        max_length=100,
+        max_length=100, null=True, blank=True,
         help_text='Optional Url or #id to navigate on click'
     )
     text = models.CharField(

datacenterlight/migrations/0012_dclcalculatorpluginmodel.py

@@ -38,7 +38,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('cmsplugin_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='cms.CMSPlugin')),
                 ('text', models.CharField(help_text='Text for the dropdown toggle', max_length=50)),
-                ('target', models.CharField(default='', help_text='Optional Url or #id to navigate on click', max_length=100)),
+                ('target', models.CharField(blank=True, help_text='Optional Url or #id to navigate on click', max_length=100, null=True)),
             ],
             options={
                 'abstract': False,