FIX: Some toolbar operations weren't triggering the `change` event

This would mean that some simple edits to queued posts did not get
saved.

app/assets/javascripts/discourse/components/d-editor.js.es6

@@ -541,7 +541,7 @@ export default Ember.Component.extend({
       }
       textarea.selectionStart = from;
       textarea.selectionEnd = from + length;
-
+      Ember.run.next(() => $textarea.trigger("change"));
       $textarea.scrollTop(oldScrollPos);
     });
   },

app/assets/javascripts/discourse/templates/components/d-editor.hbs

@@ -47,7 +47,7 @@
       class="d-editor-input"
       placeholder=placeholderTranslated
       disabled=disabled
-      change=change}}
+      input=change}}
     {{popup-input-tip validation=validation}}
     {{plugin-outlet name="after-d-editor" tagName="" args=outletArgs}}
   </div>