Export from Data Explorer view

[kmcginnes]

Allow the user to export data from the Data Explorer view. The exported data would contain whatever is shown in the current page of data. It would not include any other pages' data.

Related Issues

• Filter and sort inside data explorer #1408

[dwrth]

@kmcginnes I have added a PR for this :) #1462

I could also look at #1408 next

[kmcginnes]

@dwrth Thanks for this. Feel free to take on #1408.