replaced ngramstring by edgestring for search field autocomplete solr index

config/sync/search_api.index.autocomplete.yml

@@ -61,7 +61,7 @@ field_settings:
     label: Synonyms
     datasource_id: 'entity:taxonomy_term'
     property_path: field_synonyms
-    type: 'solr_text_custom:ngramstring'
+    type: 'solr_text_custom:edgestring'
     dependencies:
       config:
         - field.storage.taxonomy_term.field_synonyms
@@ -69,7 +69,7 @@ field_settings:
     label: Name
     datasource_id: 'entity:taxonomy_term'
     property_path: name
-    type: 'solr_text_custom:ngram'
+    type: 'solr_text_custom:edgestring'
     boost: !!float 2
     dependencies:
       module: