bugfix: show cursor when past end of line

Dependencies

• [2] H2DPLWMV snapshot: wrapping long lines at word boundaries
• [*] BULPIBEG beginnings of a module for the text editor
• [*] XNFTJHC4 split keyboard handling between Text and Drawing
• [*] BJ5X5O4A let's prevent the text cursor from ever getting on a drawing
• [*] EX3GRC2K bugfix typo

Change contents

• edit in text.lua at line 78
  [5.37]

  [2.2661]
  + if cursor_pos == pos then

  + -- cursor

  + love.graphics.setColor(1,0,0)

  + love.graphics.circle('fill', x,y+math.floor(15*Zoom), 2)

  + end
• edit in manual_tests at line 9
  [7.72]

  [6.76]
  + cursor past end of line -> renders