Fixes export database with stopwords #15406

Job	Run time
sanity checks	13s
rustfmt check	12s
clang format	39s
python lint check	26s
rust build & test	4m 12s
shell test	13m 53s
clang tidy & clangd diagnostics check	24m 56s
generate binary dataset	2m 15s
code coverage	34m 34s
webassembly build & test	26m 36s
clang build & test	20m 38s
gcc build & test	26m 29s
apple clang build & test	11m 53s
msvc build & test	42m 33s
macos extension test	2m 20s
clang build & test with page_size_log2=16	9m 59s
clang build & test with page_size_log2=18	8m 58s
linux extension test	6m 27s
gcc build & test in-mem only with various vector size	35m 44s
gcc build & test with asan	1h 12m 6s
benchmark / benchmark	13m 48s
report benchmark result	5s
windows extension test	9m 22s
	6h 8m 18s

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