repeat bugfix on source editor

Dependencies

• [2] KKMFQDR4 editing source code from within the app
• [3] OI4FPFIN support drawings in the source editor

Change contents

• edit in source_edit.lua at line 291
  [2.157792]→[2.157792:157897](∅→∅)
  − for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll
• edit in source_edit.lua at line 302
  [2.158033]

  [2.158033]
  + for _,line_cache in ipairs(State.line_cache) do line_cache.starty = nil end -- just in case we scroll
• edit in source_edit.lua at line 546
  [2.164798]

  [2.164798]
  + edit.update(State, 0)
• edit in source_edit.lua at line 555
  [2.164998]

  [2.164998]
  + edit.update(State, 0)
• edit in source_edit.lua at line 565
  [2.165292]

  [2.165292]
  + edit.update(State, 0)
• edit in source_edit.lua at line 573
  [2.165494]

  [2.165494]
  + edit.update(State, 0)
• edit in source_edit.lua at line 581
  [2.165701]

  [2.165701]
  + edit.update(State, 0)