fix: expand blocks for publishing mobile

On mobile, publishing users can't see the collapse indicator
and thus aren't able to expand it. This also improves publishing
apps on desktop as users don't have to hover to know when a block
contains more info

src/main/frontend/components/block.cljs

@@ -1810,7 +1810,7 @@
         [:span {:class (if (or (and control-show?
                                     (or collapsed?
                                         (editor-handler/collapsable? uuid {:semantic? true})))
-                               (and collapsed? order-list?))
+                               (and collapsed? (or order-list? config/publishing?)))
                          "control-show cursor-pointer"
                          "control-hide")}
          (ui/rotating-arrow collapsed?)]])