Completer.js: Add auto submit capability

Author: nilmerg

asset/js/widget/Completer.js

@@ -290,6 +290,10 @@ define(["../notjQuery"], function ($) {
                         input.title = data[name];
                     }
                 }
+
+                if (this.shouldAutoSubmit()) {
+                    $(input.form).trigger('submit', { submittedBy: input });
+                }
             }
 
             this.hideSuggestions();
@@ -456,6 +460,10 @@ define(["../notjQuery"], function ($) {
             }
         }
 
+        shouldAutoSubmit() {
+            return 'autoSubmit' in this.input.dataset;
+        }
+
         /**
          * Event listeners
          */