link parent autocomplete fix

client/src/ui/autocomplete.js

@@ -29,6 +29,9 @@
 import $ from 'jquery';
 import Handlebars from 'handlebars';
 
+/**
+ * An autocomplete.
+ */
 class Autocomplete {
 
     /** @module ui/autocomplete */
@@ -164,13 +167,26 @@ class Autocomplete {
         });
     }
 
+    /**
+     * Dispose.
+     */
     dispose() {
         this.$element.autocomplete('dispose');
     }
 
+    /**
+     * Hide.
+     */
     hide() {
         this.$element.autocomplete('hide');
     }
+
+    /**
+     * Clear.
+     */
+    clear() {
+        this.$element.autocomplete('clear');
+    }
 }
 
 export default Autocomplete;

client/src/views/fields/link-parent.js

@@ -533,6 +533,8 @@ class LinkParentFieldView extends BaseFieldView {
                 this.once('render remove', () => autocomplete.dispose());
 
                 Select.init(this.$elementType, {});
+
+                this.$elementType.on('change', () => autocomplete.clear());
             }
         }