Shulker Box Tooltip

3.4.0+1.18.2:

• Added Italian localization by m4t7w. (#129)
• Added tooltip locking: While previewing an item, you can hold the "Lock Tooltip" key (left control, by default) to lock the tooltip and see what items are contained inside in detail.
• Item counts over a thousand will now display with one decimal place by default.
• Removed the 'Dark' theme, it was replaced by the color system
• Exposed preview-related configuration options to the API
• Added per-item preview color customization config menu, modders may use the new ColorKey and ColorRegistry APIs.
• Fixed various typos and errors in localizations.
• Removed the unused 'Lock Preview Window' config option.