ignore 'deleted' shapes when saving to disk

Dependencies

• [2] VDJSUX2Q typos
• [*] VHQCNMAR several more modules
• [*] 2XLZCWZC bugfix: rectangles and squares are now saved
• [*] QYIFOHW3 first test!

Change contents

• edit in file.lua at line 70
  [2.57]

  [5.235]
  + elseif shape.mode == 'deleted' then

  + -- ignore
• edit in file.lua at line 100
  [4.18168]

  [5.385]
  + elseif shape.mode == 'deleted' then

  + -- ignore
• edit in file.lua at line 163
  [2.105]

  [6.3148]
  + elseif shape.mode == 'deleted' then

  + -- ignore