{client/rz_mesh: make commit_diff__topo input a TopoDiff, relied on by various diffBus listeners
{client/rz_mesh: make commit_diff__topo input a TopoDiff, relied on by various diffBus listeners

tlevine/rhizi,ozFri/rhizi,yuvadm/rhizi,ozFri/rhizi,shlomif/rhizi,Rhizi/rhizi,cben/rhizi,Rhizi/rhizi,Rhizi/rhizi,ozFri/rhizi,shlomif/rhizi,yuvadm/rhizi,tlevine/rhizi,Rhizi/rhizi,cben/rhizi,tlevine/rhizi,tlevine/rhizi,shlomif/rhizi,cben/rhizi,shlomif/rhizi,cben/rhizi,yuvadm/rhizi,yuvadm/rhizi,ozFri/rhizi