Column Layout, Fix One Column Not Scrollable

UPDATE: In 24.1, the new Pane Layout component is meant to address precisely this kind of a scenario. You can have your data in one pane and the list of links in a second pane. Both will scroll independently if they exceed the size of the screen. 

An example of how this could be used

{
  a!paneLayout(
    panes: {
      a!pane(
        contents: {
            a!forEach(
                enumerate(12),
                a!textField(
                  label: "Field "&fv!item
                )
            )
        }
      ),
      a!pane(
        contents: {
          a!textField(
            label: "Text",
            labelPosition: "ABOVE",
            saveInto: {},
            refreshAfter: "UNFOCUS",
            validations: {}
          )
        },
        width: "NARROW"
      )
    }
  )
}

An example of how this could be used

{
  a!paneLayout(
    panes: {
      a!pane(
        contents: {
            a!forEach(
                enumerate(12),
                a!textField(
                  label: "Field "&fv!item
                )
            )
        }
      ),
      a!pane(
        contents: {
          a!textField(
            label: "Text",
            labelPosition: "ABOVE",
            saveInto: {},
            refreshAfter: "UNFOCUS",
            validations: {}
          )
        },
        width: "NARROW"
      )
    }
  )
}