Core: Merging PT props only respects lower-case props (#6292)

* Splitter: fix wrong case in tailwind preset

* Toast: fix wrong case in tailwind preset

* Calendar: fix wrong case in tailwind preset

* Chips: removed newline

* ColorPicker: fix wrong case in tailwind preset

* Terminal: fix wrong case in tailwind preset

* Menu: fix wrong case in tailwind preset

* MegaMenu: fix wrong case in tailwind preset

* PanelMenu: fix wrong case in tailwind preset

* SlideMenu: fix wrong case in tailwind preset

* TieredMenu: fix wrong case in tailwind preset

* Image: fix wrong case in tailwind preset

* Galleria: fix wrong case in tailwind preset

* Carousel: fix wrong case in tailwind preset

* Tree: fix wrong case in tailwind preset

* DataView: fix wrong case in tailwind preset

* OrganizationChart: fix wrong case in tailwind preset

* OrderList: fix wrong case in tailwind preset

* PickList: fix wrong case in tailwind preset

* Paginator: fix wrong case in tailwind preset

* TreeTable: fix wrong case in tailwind preset

* DataTable: fix wrong case in tailwind preset

* MeterGroup: fix wrong PT props