Selector windows to use smooth-scrolling, not pages.

These new windows you present for block shape, textures, colors, are great! They really are useful. However...

Two UI adjustments for the selector windows.

1. Please consider eliminating the 'page 1/4' paging UI and replace it with a simple smooth-scroll response to the mouse wheel like you have in other UI list elements. This would put all textures/blocks/colors in view with the ease of smooth-scroll up/down.
2. Allow quick keybinds to switch between kinds of items, like Q and E...

Selector windows to use smooth-scrolling, not pages.