Fix Notepad++ blocked in notification zone issue

In the case of backup feature being disabled, if Notepad++ has a modified file, and it is reduced into the nofitication zone, closing Notepad++ via notification zone will trigger doSave dialog, then Notepad++ stuck after closing the dialog. Fix notepad-plus-plus#7508

Author: donho

PowerEditor/src/Notepad_plus.cpp

@@ -1875,6 +1875,15 @@ void Notepad_plus::filePrint(bool showDialog)
 
 int Notepad_plus::doSaveOrNot(const TCHAR* fn, bool isMulti)
 {
+// In case Notepad++ is iconized into notification zone
+if (!::IsWindowVisible(_pPublicInterface->getHSelf()))
+{
+::ShowWindow(_pPublicInterface->getHSelf(), SW_SHOW);
+
+// Send sizing info to make window fit (specially to show tool bar.)
+::SendMessage(_pPublicInterface->getHSelf(), WM_SIZE, 0, 0);
+}
+
 DoSaveOrNotBox doSaveOrNotBox;
 doSaveOrNotBox.init(_pPublicInterface->getHinst(), _pPublicInterface->getHSelf(), fn, isMulti);
 doSaveOrNotBox.doDialog(_nativeLangSpeaker.isRTL());