org-agenda: Store stuck project redo command

* lisp/org-agenda.el (org-agenda-list-stuck-projects): Store the redo
command in a text property so it is found correctly.

`org-agenda-redo' checks the `org-redo-cmd' text property, not
`org-agenda-redo-command'.

TINYCHANGE

lisp/org-agenda.el

@@ -5132,7 +5132,11 @@ of what a project is and how to check if it stuck, customize the variable
     (setq org-agenda-buffer-name (buffer-name))
     (with-current-buffer org-agenda-buffer-name
       (setq org-agenda-redo-command
-	    `(org-agenda-list-stuck-projects ,current-prefix-arg)))))
+	    `(org-agenda-list-stuck-projects ,current-prefix-arg))
+      (let ((inhibit-read-only t))
+        (add-text-properties
+         (point-min) (point-max)
+         `(org-redo-cmd ,org-agenda-redo-command))))))
 
 ;;; Diary integration