Change inventory action select back to select all columns in row

[davidlatwe]

What's changed ?

The scene inventory will select entire rows by action process result, instead of selecting only first column of rows. And will fixes #536.

[BigRoy]

As opposed to the for loop isn't it better to use the Rows flag?

E.g.

flags = select_mode | selection_model.Rows
selection_model.select(column, flags)

[davidlatwe]

Yikes, I didn't find that ! Thanks !

[davidlatwe]

Merging this 🚀