PopopWindow: Fix close-policy and close-on-click when inheriting #18785

Job	Run time
android	1s
cpp_cmake (macos-14, 1.77)	7m 29s
build_and_test (ubuntu-22.04, 1.77)	1s
cpp_cmake (windows-2022, nightly)	9m 13s
build_and_test (macos-14, stable)	2m 48s
cpp_cmake (ubuntu-22.04, stable)	6m 54s
cpp_test_driver (ubuntu-22.04)	6m 38s
build_and_test (windows-2022, stable)	10s
cpp_test_driver (macos-13)	7m 18s
build_and_test (windows-2022, 1.77)	4m 32s
cpp_test_driver (windows-2022)	4m 43s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	3m 26s
esp-idf-quick	3m 15s
build_and_test (ubuntu-22.04, nightly)	1s
ffi_32bit_build	1s
fmt_test	1s
mcu (pico-st7789, thumbv6m-none-eabi)	1s
miri	1s
mcu_esp	1s
mcu (pico2-st7789, thumbv8m.main-none-eabihf)	1s
node_test (ubuntu-22.04)	1s
mcu (stm32h735g, thumbv7em-none-eabihf)	1s
node_test (macos-14)	1m 5s
node_test (windows-2022)	1s
updater_test (0.3.0)	1s
vsce_build_test	1s
python_test (ubuntu-22.04)	1s
python_test (macos-14)	1s
python_test (windows-2022)	1s
docs / docs	7m 37s
format_lint_typecheck / format_lint_typecheck	3m 9s
tree-sitter / tree-sitter-tests	1s
wasm / wasm	1s
wasm_demo / wasm_demo	1s
wasm / build-slintpad	1s
cpp_package_test	1s
	1h 8m 39s

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