bugfix: draw menu after everything else

Dependencies

• [2] KKMFQDR4 editing source code from within the app
• [3] JMUD7T3O get rid of ugly side-effects in tests
• [4] X3CQLBTR set window title within each app

Change contents

• edit in source.lua at line 224
  [2.172847]→[2.172847:172872](∅→∅)
  − source.draw_menu_bar()
• edit in source.lua at line 232
  [2.173129]

  [2.173129]
  + source.draw_menu_bar()