🐛 Fix problem with reorder on grid layout layers

CHANGES.md

@@ -31,6 +31,7 @@
 ### :bug: Bugs fixed
 
 - Fix problem with some texts desynchronization [Taiga #9379](https://tree.taiga.io/project/penpot/issue/9379)
+- Fix problem with reoder grid layers [#5446](https://github.com/penpot/penpot/issues/5446)
 
 ## 2.3.3
 

common/src/app/common/logic/shapes.cljc

@@ -304,7 +304,9 @@
                 (->> ids
                      (mapcat #(ctn/get-child-heads objects %))
                      (map :id)))
-        cell (or cell (ctl/get-cell-by-index parent to-index))]
+
+        index-cell-data  (when to-index (ctl/get-cell-by-index parent to-index))
+        cell (or cell (and index-cell-data [(:row index-cell-data) (:column index-cell-data)]))]
 
     (-> changes
         (pcb/with-page-id page-id)

common/src/app/common/types/shape/layout.cljc

@@ -1479,7 +1479,7 @@
 (defn get-cell-by-index
   [parent to-index]
   (let [cells (get-cells parent {:sort? true :remove-empty? true})
-        to-index (- (count cells) to-index)]
+        to-index (- (count cells) to-index 1)]
     (nth cells to-index nil)))
 
 (defn add-children-to-index