widgets: grid: Add gp_widget_readraw() to a couple of places
widgets: grid: Add gp_widget_readraw() to a couple of places

We have to redraw the grid after resize, this fixes the problem for now
but we should probably make it so that resize implies redraw so that we
don't have to call both.

Signed-off-by: Cyril Hrubis <b1e90efd3b808b8e0bcf2a9a55fd8b9a779bfd81@ucw.cz>

gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim,gfxprim/gfxprim