fix(VirtualScroll): consider the case when the scrollEl has no height #7567 (#7571)
fix(VirtualScroll): consider the case when the scrollEl has no height #7567 (#7571)

* fix(VirtualScroll): consider the case when the scrollEl has no height #7567

* Update virtual-scroll.js

Co-authored-by: Razvan Stoenescu <5ced39d27860b435bebb748c5dedb4e40f3b0e82@gmail.com>
pdanpdan/quasar,fsgiudice/quasar,rstoenescu/quasar-framework,quasarframework/quasar,rstoenescu/quasar-framework,fsgiudice/quasar,pdanpdan/quasar,pdanpdan/quasar,rstoenescu/quasar-framework,quasarframework/quasar,quasarframework/quasar,fsgiudice/quasar,pdanpdan/quasar,quasarframework/quasar