[Editor] Blur unselected editors

When an editor is selected in using the keyboard then it has the focus.
But then if the editor is unselected with Escape key then the focus must
be removed otherwise we still have a blue outline around it.
And add few missing timeout in the integration tests.

src/display/editor/editor.js

@@ -972,6 +972,11 @@ class AnnotationEditor {
   unselect() {
     this.#resizersDiv?.classList.add("hidden");
     this.div?.classList.remove("selectedEditor");
+    if (this.div?.contains(document.activeElement)) {
+      // Don't use this.div.blur() because we don't know where the focus will
+      // go.
+      this.parent.div.focus();
+    }
   }
 
   /**