Merge upstream into main

Dependencies

• [2] MSDHRXWU Merge upstream into main
• [3] ILOA5BYF separate data structure for each line's cache data
• [4] LF7BWEG4 group all editor globals
• [5] WQOSZSUE warn on unused commandline args
• [6] W4UVZETR 2 regressions:
• [7] R6GUSTBY default font size and line-height
• [8] YGCT2D2O start loading settings as applicable
• [*] OTIBCAUJ love2d scaffold

Change contents

• edit in main.lua at line 41
  [2.90]

  [2.90]
  + Text.redraw_all(Editor_state)
• edit in main.lua at line 44
  [4.85408]→[3.7629:7663](∅→∅),[4.85408]→[3.7629:7663](∅→∅),[4.85649]→[3.7664:7698](∅→∅),[4.85649]→[3.7664:7698](∅→∅)
  − Text.redraw_all(Editor_state)

  − Text.redraw_all(Editor_state)
• resolve order conflict in main.lua at line 44
  [2.197]

  [4.8]