bugfix: cut (C-x) without first selecting anything

Dependencies

• [2] K464QQR4 more defensive resize handling
• [3] OP643FFG move
• [*] LXTTOB33 extract a couple of files
• [*] BJ5X5O4A let's prevent the text cursor from ever getting on a drawing

Change contents

• edit in select.lua at line 106
  [3.40]

  [3.40]
  + if Selection1.line == nil then return end
• edit in select.lua at line 113
  [5.46533]

  [5.46533]
  + if Selection1.line == nil then return end
• edit in manual_tests at line 39
  [2.8]

  [2.8]
  + clipboard:

  + cut/copy without making a selection

  +