* fix(#2746): fix cursorcolumn and right aligned icons in floating windows
* feat: remove right aligned icons from full name float, show float over right aligned icons
* refactoring: move `extmarks_length` to utils.lua
* fix: decrease `win_width` instead of increasing `text_width` when computing condition for full name float to show
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Co-authored-by: Alexander Courtis <alex@courtis.org>