Get correct current position when shift-page up and down. (fdo#34026)
Get correct current position when shift-page up and down. (fdo#34026)

When expanding a selection, we need to use the block end position
as the "current" position instead of the current cursor position, as
the cursor no longer moves during block selection.

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core