tdf#120784 KDE5: Process "Enter" key from numpad like normal "Enter" key

Change-Id: Id4a721aa30e92a9396f93342cf42d5790207bb89
Reviewed-on: https://gerrit.libreoffice.org/63095Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
Tested-by: Katarina Behrens <Katarina.Behrens@cib.de>

vcl/qt5/Qt5Widget.cxx

@@ -262,6 +262,7 @@ static sal_uInt16 GetKeyCode(int keyval)
                 nCode = KEY_PAGEDOWN;
                 break;
             case Qt::Key_Return:
+            case Qt::Key_Enter:
                 nCode = KEY_RETURN;
                 break;
             case Qt::Key_Escape: