fix(ui): null while query .editor-wrapper

src/main/frontend/components/editor.cljs

@@ -381,7 +381,7 @@
                 :z-index    11}
                (when set-default-width?
                  {:width max-width})
-               (let [^js/HTMLElement editor
+               (when-let [^js/HTMLElement editor
                           (js/document.querySelector ".editor-wrapper")]
                  (if (<= (.-clientWidth editor) (+ left (if set-default-width? max-width 500)))
                    {:right 0}