Fix pin duplication bug

registry.lua

@@ -18,13 +18,13 @@ minetest.registered_items[""].on_place = function(item_stack, placer, pointed_th
             local node = minetest.get_node(pos)
             if registry.is_rotatable(node) then
                 local def = minetest.registered_nodes[node.name]
-                def.on_rightclick(pos, node, placer, item_stack, pointed_thing)
+                return def.on_rightclick(pos, node, placer, item_stack, pointed_thing)
-                return -- Skip default behavior.
+                -- Skip default behavior.
             end
         end
     end
     -- Call the default function, so we can still get the "scaling" functionality.
-    default_on_place(item_stack, placer, pointed_thing, ...)
+    return default_on_place(item_stack, placer, pointed_thing, ...)
 end
 
 local rotate_node = nc_extended_rotating.rotate.rotate_node
@@ -39,7 +39,7 @@ function registry.register_rotatable(name, def, rightclick_filter_func)
     def.on_rightclick = function(pos, node, clicker, ...)
         -- If `rightclick_filter_func` is set and returns true, call the default `on_rightclick`.
         if registry.is_rightclick_filtered(pos, node, clicker, ...) then
-            default_on_rightclick(pos, node, clicker, ...)
+            return default_on_rightclick(pos, node, clicker, ...)
         else
             if nodecore.protection_test(pos, clicker) then return end
             local state = nc_extended_rotating.state.get_rotating_state(clicker, pos, node)