Item Editor - Component & NBT

Added

• Storage: Added a full saved-item storage system with pages, search, sorting, commands, better tooltips, and fast background loading.
• Raw Editor: Added a new Raw Editor section with better text editing, formatting options, error highlighting, and smarter suggestions.
• Components section: Added a new Components category for editing more item details in one place.
• More special item editors: Added new editors for Armor Stand, Item Frame, and Spawn Egg (including villager trade details).
• Reworked banner/shield and sign editor.
• Added better live previews for edited items.
• Added a way to save colors & gradients.
• Added buttons for collapsing categories and preview sections.
• Added every hide flag.

Fixed

• Fixed scrolling issues in dialogs and panels where scroll or clicks could affect the wrong area.
• Fixed category/preview panel spacing and clipping issues, especially on big UI scales & lower screen resolutions.
• Fixed sign editing problems (line behavior, alignment, and preview accuracy).
• Fixed some editor panels where buttons/fields could be hidden or misaligned.
• Fixed gradient coloring problems with special characters.
• And many fixes on everywhere, mostly on UI.
• Fixed a minor issue on head editor