### Godot version

v4.0.3.stable.official [5222a99f5]

### System information

Windows 11, AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx     2.10 GHz

### Issue description

  The request_attention () function on Windows only flashes the taskbar, but what if the taskbar is hidden ?  In display_server_windows.cpp, FLASHW_TRAY is used, when it might be more appropriate to use FLASHW_ALL which flashes both the caption and the tray.

### Steps to reproduce

N/A

### Minimal reproduction project

N/A
k.instantiate();
					Key keycode = KeyMappingWindows::get_keysym(MapVirtualKey((ke.lParam >> 16) & 0xFF, MAPVK_VSC_TO_VK));
					Key key_label = keycode;
					Key physical_keycode = KeyMappingWindows::get_scansym((ke.lParam >> 16) & 0xFF, ke.lParam & (1 << 24));
					static BYTE keyboard_state[256];
					memset(keyboard_state, 0, 256);
					wchar_t chars[256] = {};
					UINT extended_code = MapVirtualKey((ke.lParam >> 16) & 0xFF, MAPVK_VSC_TO_VK_EX);
					if (!(ke.lParam & (1 << 24)) && ToUnicodeEx(extended_code, (ke.lParam >> 16) & 0xFF, keyboard_state, chars, 255, 4, GetKeyboardLayout(0)) > 0) {
						String keysym = String::utf16((char16_t *)chars, 255);
						if (!keysym.is_empty()) {
							key_label = fix_key_label(keysym[0], keycode);
						}
					}
					k->set_window_id(ke.window_id);
					if (keycode != Key::SHIFT) {
						k->set_shift_pressed(ke.shift);
					}
					if (keycode != Key::ALT) {
						k->set_alt_pressed(ke.alt);
					}
					if (keycode != Key::CTRL) {
						k->set_ctrl_pressed(ke.control);
					}
					if (keycode != Key::META) {
						k->set_meta_pressed(ke.meta);
					}
					k->set_pressed(true);
					k->set_keycode(keycode);
					k->set_physical_keycode(physical_keycode);