[Editor] Move an the editor div in the DOM once a translation with the keyboard is done

When moving an element in the DOM, the focus is potentially lost, so we need to make sure
that the focused element before the translation will get back its focus after it.
But we must take care to not execute any focus/blur callbacks because the user didn't
do anything which should trigger such events: it's a detail of implementation. For example,
when several editors are selected and moved, then at the end the same must be selected, so
no element receive a focus event which will set it as selected.

src/display/editor/ink.js

@@ -634,6 +634,9 @@ class InkEditor extends AnnotationEditor {
 
   /** @inheritdoc */
   focusin(event) {
+    if (!this._focusEventsAllowed) {
+      return;
+    }
     super.focusin(event);
     this.enableEditMode();
   }