bugfix: rendering hyperlinks in wrapping lines

Dependencies

• [2] GZ5WULJV switch source side to new screen-line-based render
• [3] KKMFQDR4 editing source code from within the app

Change contents

• replacement in source_text.lua at line 184
  [2.4555]→[2.4555:4635](∅→∅)
  − return App.width(line.data:sub(1, loff-1)), App.width(line.data:sub(1, hoff))
  [2.4555]

  [3.94273]
  + return App.width(line.data:sub(soff, loff-1)), App.width(line.data:sub(soff, hoff))