DataTable rowexpansioncell passthrough overriding classes instead of adding

[sergeydus]

when passing:
:pt="{ rowexpansioncell: 'bg-red-500', }" :ptOptions="{ mergeSections: true, mergeProps: true }"
to the dataTable, the rowexpansioncell classes are being overridden instead of added to:

before:

after:

https://stackblitz.com/edit/ka1dqv?file=src%2FApp.vue

[brandon-swipedon]

when passing: :pt="{ rowexpansioncell: 'bg-red-500', }" :ptOptions="{ mergeSections: true, mergeProps: true }" to the dataTable, the rowexpansioncell classes are being overridden instead of added to:

before: after:

https://stackblitz.com/edit/ka1dqv?file=src%2FApp.vue

The same issue we just discovered when trying to merge the numberinput globally using the usePassThrough composable. I suspect there is a problem when merging class arrays here
https://stackblitz.com/edit/nhbhmy?file=src%2Fmain.js