x11/konsole: add upstream fix

• Fix MainWindow size when there is no saved size [1]
• Fix KXmlGUI toolbars; and Konsole MainWindow size [2]

Upstream PR: https://bugs.kde.org/show_bug.cgi?id=436471

[1] https://invent.kde.org/utilities/konsole/-/commit/c78edfbac49852cec40efd5cbe73c341bc06c5ab
[2] https://invent.kde.org/utilities/konsole/-/commit/fb7f838fd3138a39aea3bcb2e91f923741587137