chore: Fix QDataTable demo page typo
chore: Fix QDataTable demo page typo

pdanpdan/quasar,fsgiudice/quasar,quasarframework/quasar,fsgiudice/quasar,rstoenescu/quasar-framework,simarust/quasar,pdanpdan/quasar,fsgiudice/quasar,simarust/quasar,rstoenescu/quasar-framework,simarust/quasar,quasarframework/quasar,quasarframework/quasar,quasarframework/quasar,pdanpdan/quasar,pdanpdan/quasar,rstoenescu/quasar-framework