Add empty state message to text suggestions autocomplete.

src/views/admin/components/metadata-types/text/TainacanText.vue

@@ -43,6 +43,9 @@
                     </div>
                 </div>
             </template>
+            <template #empty>
+                {{ $i18n.get('info_nothing_like_this_so_far') }}
+            </template>
         </b-autocomplete>
     </div>
 </template>

src/views/tainacan-i18n.php

@@ -1025,6 +1025,7 @@ return apply_filters( 'tainacan-i18n', [
 	'info_validating_slug'					 		 =>	__( 'Validating slug...', 'tainacan'),
 	'info_no_taxonomy_metadata_created'		 		 =>	__( 'No taxonomy metadata created yet', 'tainacan'),
 	'info_child_terms_chart'						 => __( 'Click on the term bar on the chart aside to see its child terms (if any) in this panel', 'tainacan' ),
+	'info_nothing_like_this_so_far'					 => __( 'Nothing like this so far.', 'tainacan'),
 	'info_metadata_autocomplete_suggestions'		 => __( 'Some values already used on this metadatum:', 'tainacan' ),
 	'info_related_items'							 => __( 'These are items that are related to this item via their own relationship type metadata. You can edit such relation on their pages.', 'tainacan'),
 	'info_document_option_forced_iframe'			 => __( 'Attempt to use an iframe to embed url content on the item page. You may use this option if the autoembed does not work.', 'tainacan'),