Fixed `listring`s?

constructor.lua

@@ -119,6 +119,9 @@ local function allow_metadata_inventory_put(pos, listname, index, stack, player)
         end
     elseif listname == "src" or listname == "dst" then
         return stack:get_count()
+
+    elseif listname == "dst" then
+        return 0
     end
 end
 

energy_collector.lua

@@ -13,7 +13,7 @@ function get_energy_collector_formspec()
         local formspec = {
             "size[8,10]",
             "label[3,2;Orb]",
-            "list[context;dist;4,2;1,1;]",
+            "list[context;dst;4,2;1,1;]",
             mcl_formspec.get_itemslot_bg(4,2,1,1),
             "list[current_player;main;0,5;9,3;9]",
             mcl_formspec.get_itemslot_bg(0,5,9,3),