feat(ColumnManagementModal): add support for extended columns

[raswonders]

Hey,

I've extended Modal so it supports subtype of ColumnManagementModalColumn

What this PR do?

ColumnManagementModal now fully works with custom shape columns which are subtype of ColumnManagementModalColumn

Why we need this?

• Modal can be passed custom column objects, but it only returns column objects with rigid structure and strips any extra properties.
• This is introducing complexity downstream, as we basically have to maintain two column structures, one for modal and one of our own

How we are fixing it?

• ColumnManagementModal becomes generic over a column type that extends ColumnManagementModalColumn.
• Modal passes back the same column objects we passed in, with only isShown updated, instead of rebuilding rows from ListManagerItem (which only recreated a subset of fields passed in).

API compatibilty concerns

• Same prop names and runtime defaults
• TypeScript: Un-parameterized usage still defaults to ColumnManagementModalColumn
• applyColumns now receives full column objects. Previously, save dropped extra properties. That would be incompatible only if something relied on those extras being removed at save time for typical usage this is a bugfix and improves compatibility

[patternfly-build]

Preview: https://react-component-groups-pr-component-groups-929.surge.sh

A11y report: https://react-component-groups-pr-component-groups-929-a11y.surge.sh