Been having an insurance reinstatement done after a water leak. The builders hired to do it have replaced some plaster and skirting boards. Only problem is there are some fairly large gaps between the plaster and the skirting at points. The builders say the decorators can fill these gaps in if need be. But the decorating company say they don't think it's a good idea to fill the gaps, they say that works for painted skirting, not for stained skirting. Should the gaps be filled in? The smaller gaps don't look so bad, but some of the gaps are quite visible (see pics).