When rendering dynamic attributes, dont make them editable. Closes #10 and #89.

Also some minor fixes when returning from a post for a DN with attribute tags.

resources/views/components/attribute/rdn.blade.php

@@ -1,5 +1,5 @@
 <!-- $o=RDN::class -->
-<x-attribute.layout :edit="$edit ?? FALSE" :new="$new ?? FALSE" :o="$o">
+<x-attribute.layout :edit="$edit" :new="$new" :o="$o">
 	@foreach(($o->values->count() ? $o->values : ['']) as $value)
 		@if($edit)
 			<div class="input-group has-validation mb-3">