Improve error message when i-slint-core-macro's attempt to read link-… #19175

Job	Run time
android	2m 35s
build_and_test (ubuntu-22.04, 1.77)	13m 43s
build_and_test (macos-14, stable)	10m 46s
build_and_test (windows-2022, stable)	16m 16s
build_and_test (windows-2022, 1.77)	15m 21s
cpp_cmake (macos-14, 1.77)	7m 12s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	23m 6s
cpp_cmake (windows-2022, nightly)	9m 59s
build_and_test (ubuntu-22.04, nightly)	18m 12s
cpp_cmake (ubuntu-22.04, stable)	6m 51s
cpp_test_driver (ubuntu-22.04)	7m 36s
esp-idf-quick	8m 59s
ffi_32bit_build	1m 7s
fmt_test	1m 30s
mcu (pico-st7789, thumbv6m-none-eabi)	34s
cpp_test_driver (macos-13)	6m 49s
mcu (pico2-st7789, thumbv8m.main-none-eabihf)	40s
cpp_test_driver (windows-2022)	7m 52s
mcu (stm32h735g, thumbv7em-none-eabihf)	45s
mcu_esp	2m 37s
miri	58s
node_test (ubuntu-22.04)	2m 52s
python_test (ubuntu-22.04)	1m 27s
node_test (macos-14)	2m 18s
python_test (macos-14)	1m 11s
node_test (windows-2022)	5m 36s
python_test (windows-2022)	3m 5s
updater_test (0.3.0)	1m 21s
vsce_build_test	6m 2s
docs / docs	9m 49s
tree-sitter / tree-sitter-tests	9s
wasm / wasm	4m 49s
wasm_demo / wasm_demo	2m 29s
cpp_package_test	2m 10s
wasm / build-slintpad	1m 50s
	3h 28m 36s

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