Rust generator: don't run the init code twice for popups (#6447) #17457

Job	Run time
cpp_test_driver (ubuntu-22.04)	6m 20s
build_and_test (ubuntu-22.04, 1.77)	13m 12s
cpp_test_driver (macos-12)	5m 43s
build_and_test (macos-12, stable)	16m 47s
cpp_test_driver (windows-2022)	8m 7s
build_and_test (windows-2022, stable)	14m 10s
mcu (pico-st7789, thumbv6m-none-eabi)	44s
build_and_test (windows-2022, 1.77)	15m 21s
cpp_cmake (macos-12, 1.77)	15m 56s
mcu (stm32h735g, thumbv7em-none-eabihf)	35s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	14m 59s
cpp_cmake (windows-2022, nightly)	8m 17s
mcu_esp	2m 30s
cpp_cmake (ubuntu-22.04, stable)	6m 59s
build_and_test (ubuntu-22.04, nightly)	9m 45s
node_test (ubuntu-22.04)	3m 15s
node_test (macos-12)	3m 27s
python_test (ubuntu-22.04)	1m 43s
vsce_build_test	5m 27s
node_test (windows-2022)	5m 23s
python_test (macos-12)	2m 29s
python_test (windows-2022)	2m 26s
android	1m 44s
ffi_32bit_build	59s
fmt_test	1m 38s
miri	48s
updater_test (0.3.0)	1m 27s
esp-idf-quick	8m 45s
docs / docs	6m 52s
tree-sitter / tree-sitter-tests	7s
wasm / wasm	4m 25s
wasm_demo / wasm_demo	2m 29s
wasm / lint-slintpad	41s
wasm / build-slintpad	1m 5s
cpp_package_test	2m 54s
	3h 17m 29s

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