This reverts commit 6610ad9a.

It simply doesn't work, the dialog ends up being modal because
bRefInputMode is always false.

Calling SyncFocusState() in ctor doesn't help because
pEdFilterArea->HasFocus() returns false even if we just called
pEdFilterArea->GrabFocus() ... why?

Also manipulating things with

    pRefInputEdit = pEdFilterArea;
    bRefInputMode = true;

doesn't help. This is odd..

 Conflicts:
	sc/source/ui/dbgui/sfiltdlg.cxx

Change-Id: I90fc8cd99a2ab91dd581acfc51d7ca5eea8e1f61