move current mode indicator slightly

Dependencies

• [2] LAW2O3NW extract variable Margin_left
• [3] BLWAYPKV extract a module
• [4] VHQCNMAR several more modules
• [5] LUNH47XX make text and drawings the same width

Change contents

• replacement in drawing.lua at line 15
  [3.18484]→[2.2857:2927](∅→∅)
  − icon[Current_drawing_mode](Margin_left+Line_width-20, line.y+4)
  [3.18484]

  [3.523]
  + icon[Current_drawing_mode](Margin_left+Line_width-22, line.y+4)
• replacement in drawing.lua at line 17
  [3.532]→[2.2928:2999](∅→∅)
  − icon[Previous_drawing_mode](Margin_left+Line_width-20, line.y+4)
  [3.532]

  [3.589]
  + icon[Previous_drawing_mode](Margin_left+Line_width-22, line.y+4)