bugfix: crash when using mouse wheel

Dependencies

• [2] GFXWHTE6 mouse wheel support
• [*] KKMFQDR4 editing source code from within the app
• [*] 2L5MEZV3 experiment: new edit namespace

Change contents

• edit in source_edit.lua at line 336
  [2.161]

  [2.161]
  + edit.put_cursor_on_next_text_line(State)
• edit in source_edit.lua at line 342
  [2.310]

  [2.310]
  + edit.put_cursor_on_next_text_line(State)
• edit in edit.lua at line 346
  [2.2014]

  [2.2014]
  + edit.put_cursor_on_next_text_line(State)
• edit in edit.lua at line 352
  [2.2163]

  [2.2163]
  + edit.put_cursor_on_next_text_line(State)