enable options (#2120)

app/models/communication/block/template/agenda.rb

app/models/communication/block/template/organization.rb

app/models/communication/block/template/page.rb

app/models/communication/block/template/person.rb

app/models/communication/block/template/post.rb

...dmin/communication/blocks/templates/agenda/_edit.html.erb

...n/communication/blocks/templates/locations/_edit.html.erb

...mmunication/blocks/templates/organizations/_edit.html.erb

...min/communication/blocks/templates/persons/_edit.html.erb

...admin/communication/blocks/templates/posts/_edit.html.erb

...in/communication/blocks/templates/programs/_edit.html.erb

...in/communication/blocks/templates/projects/_edit.html.erb