v0.12.1 - Autocomplete Improvements, Retain Clipboard on empty copy, Stray Pixel Fix

What's Changed

• #152, Autocomplete Improvements for Screenreaders
  • When autocomplete is shown the focus is moved to the internal QListWidget
  • ScreenReader NVDA now reacts better on the autocomplete
  • The autocomplete list has the accessibility label 'autocomplete'
• Fix: dead code removal by @SlySven in #168
• #73, Stray Pixel at the bottom of the cursor (again)
• (2025-11-04) #169, Retain clipboard when invoking CopyCommand without selection on a blank line.

Full Changelog: v0.12.0...v0.12.1