Fire change event after completion to allow Angular to update its state

content.js

@@ -64,6 +64,8 @@ class TabCompletion {
                 ' ' + input.value.substring(input.selectionStart);
             input.selectionStart = start + this[`suggestion_${symbol}`].length + 2;
             input.selectionEnd = input.selectionStart;
+
+            input.dispatchEvent(new Event('change', {'bubbles': true}));
         }
     }