fix(Compass): fix table plain example showing (#12124)

* add callouts for new props, add beta flags to some examples

* feat(Compass): add more docs to call out new props

* update docs

* update wording

* move new props callouts to org demos

Author: kmcfaul

packages/react-core/src/components/DataList/examples/DataList.md

@@ -39,6 +39,7 @@ import { DragDropSort, DragDropContainer, Droppable as NewDroppable } from '@pat
 ```ts file="./DataListCompact.tsx"
 
 ```
+
 ### Plain
 
 ```ts file="./DataListPlain.tsx"

packages/react-table/src/components/Table/examples/Table.md

@@ -78,10 +78,13 @@ Some general notes:
 ```ts file="TableBasic.tsx"
 
 ```
-### Table Plain
-``` file="TablePlain.tsx"
+
+### Plain
+
+```ts file="TablePlain.tsx"
 
 ```
+
 ### Custom row wrapper, header tooltips & popovers
 
 - If you add the `noWrap` prop to `Thead`, it won't wrap it if there is no space