Improve performance on WS message'CREATE_FIGURE'
Improve performance on WS message'CREATE_FIGURE'

Receiving figures from WebSockets called grid.draw what implies clearing
and redrawing the board. Changed this behaviour so the only thing that
is done is drawing the figure (no clearing). Performance should improve
a lot specially when board has a lot of data already.

PedDavid/qip,PedDavid/qip,PedDavid/qip