repeat bugfix on source editor

Dependencies

• [2] KKMFQDR4 editing source code from within the app
• [3] OI4FPFIN support drawings in the source editor
• [4] 2WGHUWE6 self-documenting 0 Test_right_margin

Change contents

• replacement in source_edit.lua at line 516
  [2.163992]→[2.163992:164065](∅→∅)
  − love.graphics.setFont(love.graphics.newFont(Editor_state.font_height))
  [2.163992]

  [2.164065]
  + love.graphics.setFont(love.graphics.newFont(State.font_height))