[Editor] Make an ability to hide some elements from search except by direct ID

[Wohlstand]

Some elements are not suggested for direct usage because of some possible reasons:

• Item is a part of complex thing that dependent on one "master" element.
• Item is WIP, and not suggested for production use.
• Item is broken or deprecated.

The only way to access necessary element is by direct ID search to keep ability use them for debug or curiosity.