feat: Only show those terms that indeed have the query in them

src/Service/AnkiService.php

@@ -218,6 +218,8 @@ class AnkiService
             if (!$note instanceof SentenceNote) continue;
 
             foreach ($note->getTerms() as $term) {
+                if (!str_contains($term->getKanji(), $query)) continue;
+
                 $ret[$term->getKanji()] = $term;
             }
         }