fix: multiple merged vnode hooks not invoked properly
fix: multiple merged vnode hooks not invoked properly

fix #6076

cnchanning/vue,Hanks10100/vue,Kingwl/vue,Jinjiang/vue,vuejs/vue,Jinjiang/vue,KingMario/vue,vuejs/vue,lizhiyao/vue,Kingwl/vue,Ddder-FE/vue,Hanks10100/vue,Jinjiang/vue,lizhiyao/vue,KingMario/vue,Hanks10100/vue,Ddder-FE/vue,vuejs/vue,Hanks10100/vue,Ddder-FE/vue,cnchanning/vue,Kingwl/vue,KingMario/vue,KingMario/vue,Ddder-FE/vue,Kingwl/vue,vuejs/vue,cnchanning/vue,lizhiyao/vue,lizhiyao/vue,optimizely/vue,Jinjiang/vue