Windows: Maximizing Frameless window covers automatically hiding Windows taskbar

[mkskelet]

Describe the bug
Maximizing frameless window covers taskbar and makes it impossible for user to bring up windows taskbar with mouse cursor hover if automatic taskbar hiding is enabled.

To Reproduce
Steps to reproduce the behavior:

1. In Windows taskbar settings, enable Automatically hide the taskbar toggle
2. Maximize frameless window

Expected behavior
Maximized frameless window should not cover hidden taskbar and should allow user to focus hidden taskbar.

Versions:

• OS: Windows 10, Windows 11
• CEF Version: 132.3.1

Additional context
Reproduced in CEF 132.3.1 in cefsimple project by modifying simple_app.cc:

• in SimpleWindowDelegate add bool IsFrameless(CefRefPtr<CefWindow> window) override { return true; }
• maximize window after creation

// Create the Window. It will show itself after creation.
const auto window = CefWindow::CreateTopLevelWindow(new SimpleWindowDelegate(
    browser_view, runtime_style, initial_show_state));
window->Maximize();