[dataset] update active/pending dataset based on existing active dataset (#2991)
[dataset] update active/pending dataset based on existing active dataset (#2991)



LeZhang2016/openthread,LeZhang2016/openthread,turon/openthread,librasungirl/openthread,jwhui/openthread,lanyuwen/openthread,abtink/openthread,srickardti/openthread,jwhui/openthread,erja-gp/openthread,lanyuwen/openthread,gandreello/openthread,LeZhang2016/openthread,LeZhang2016/openthread,srickardti/openthread,jwhui/openthread,srickardti/openthread,chshu/openthread,librasungirl/openthread,srickardti/openthread,chshu/openthread,abtink/openthread,abtink/openthread,jwhui/openthread,openthread/openthread,erja-gp/openthread,lanyuwen/openthread,turon/openthread,bukepo/openthread,openthread/openthread,gandreello/openthread,bukepo/openthread,gandreello/openthread,erja-gp/openthread,chshu/openthread,turon/openthread,bukepo/openthread,gandreello/openthread,lanyuwen/openthread,chshu/openthread,erja-gp/openthread,lanyuwen/openthread,chshu/openthread,openthread/openthread,librasungirl/openthread,gandreello/openthread,erja-gp/openthread,bukepo/openthread,LeZhang2016/openthread,erja-gp/openthread,lanyuwen/openthread,turon/openthread,LeZhang2016/openthread,abtink/openthread,librasungirl/openthread,chshu/openthread,gandreello/openthread,openthread/openthread