Fix a few things in the arrow visual for the snew visual system
Fix a few things in the arrow visual for the snew visual system

ghisvail/vispy,drufat/vispy,drufat/vispy,jdreaver/vispy,QuLogic/vispy,bollu/vispy,RebeccaWPerry/vispy,inclement/vispy,Eric89GXL/vispy,Eric89GXL/vispy,kkuunnddaannkk/vispy,sbtlaarzc/vispy,michaelaye/vispy,kkuunnddaannkk/vispy,julienr/vispy,sbtlaarzc/vispy,michaelaye/vispy,jay3sh/vispy,srinathv/vispy,dchilds7/Deysha-Star-Formation,dchilds7/Deysha-Star-Formation,jdreaver/vispy,QuLogic/vispy,bollu/vispy,srinathv/vispy,jdreaver/vispy,jay3sh/vispy,Eric89GXL/vispy,michaelaye/vispy,julienr/vispy,RebeccaWPerry/vispy,RebeccaWPerry/vispy,inclement/vispy,jay3sh/vispy,srinathv/vispy,drufat/vispy,ghisvail/vispy,dchilds7/Deysha-Star-Formation,sbtlaarzc/vispy,inclement/vispy,ghisvail/vispy,bollu/vispy,julienr/vispy,kkuunnddaannkk/vispy,QuLogic/vispy