Item Editor - Component & NBT

build-12

• added a way to create and import items while held item is empty/air, just press the key.

• added a way to export as /give & /item command

• added support for gradient shadow colors

• rewrote and unified color picker menu

• rewrote saving system of colors, old saved colors are broken

• re-ordered components section

• missing fields (asset_id & camera_overlay) added to component sections.

• new sections (custom data and block state) added to components menu

• raw editor improvements and simplification, also some bug fixes

• potion effects duration field now accepts -1 and 0 as infinite duration