Use standard button layout and remove extraneous heading.
Move to TransferDataTo/FromWindow.
Close dialog after printing.
Fixes: lp:1763319
* https://bugs.launchpad.net/kicad/+bug/1763319
Improve dialog layout and fix UI policy issues with all of the dialog
boxes in the common, 3D viewer, CvPcb, and Eeschema code paths.
Updated the use of component to symbol.
* Fix parent of elements in wxSizers.
* Update old dialog with recent version of wxFormBuilder.
* Add wxALIGN_CENTER_VERTICAL flag to some dialogs.
* Update wxFormBuilder timestamp in generated sources.