[Editor] Only get back the focus when it has been lost after an editor has been moved in the DOM

src/display/editor/annotation_editor_layer.js

@@ -398,6 +398,7 @@ class AnnotationEditorLayer {
       // re-enable them when the editor has the focus.
       editor._focusEventsAllowed = false;
       setTimeout(() => {
+        if (!editor.div.contains(document.activeElement)) {
           editor.div.addEventListener(
             "focusin",
             () => {
@@ -406,6 +407,9 @@ class AnnotationEditorLayer {
             { once: true }
           );
           activeElement.focus();
+        } else {
+          editor._focusEventsAllowed = true;
+        }
       }, 0);
     }