Gnome3's password entry prompt blocks access to anything else

[Dario Lesca]

When gnome3 application (es evolution) ask password of some account
that not want to save it to keyring (Seahorse), the access to other
application (es. gnome-terminal or keepass, my keyring) or other desktop
is disable.

I have found only this tread on this problem:
https://bugzilla.gnome.org/show_bug.cgi?id=688434

But the solution proposed at comment #33, works only partially: it is
not possible to type some text on other application, only mouse work.

It's possible, an how to do, disable this annoying an unintended
"feature"?

Many thanks