bugfix: show cursor when past end of line

manual_tests

@@ -6,6 +6,7 @@ click on first character of text -> cursor on first character of text
 click to right of text -> cursor past end of line
 click to right of wrapped text -> cursor on final character of line
 click on drawing -> cursor doesn't move
+cursor past end of line -> renders
 create drawing -> cursor bumps down below drawing
 backspace
   cursor_pos == 0, previous line is a drawing -> delete drawing, cursor still visible at start of line

text.lua

@@ -75,6 +75,11 @@ function Text.draw(line, line_width, line_index, cursor_line, cursor_pos)
     x = x + frag_width
     pos = pos + frag_len
   end
+  if cursor_pos == pos then
+    -- cursor
+    love.graphics.setColor(1,0,0)
+    love.graphics.circle('fill', x,y+math.floor(15*Zoom), 2)
+  end
   return y
 end
 -- manual tests: