aarch64 Doris 2.1.2 function_bitmap_to_base64 UT报错，其余UT PASS

[ RUN ] function_bitmap_test.function_bitmap_to_base64
/root/doris/be/test/vec/function/function_test_util.h:336: Failure
Expected equality of these values:
expect_data
Which is: "BQQAAAAAAAAAAAEAAAAAAAAAAgAAAAAAAAADAAAAAAAAAA=="
column_data
Which is: "BQQDAAAAAAAAAAEAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAA=="
at row 0
[ FAILED ] function_bitmap_test.function_bitmap_to_base64 (2 ms)
[ RUN ] function_bitmap_test.function_bitmap_from_base64
[ OK ] function_bitmap_test.function_bitmap_from_base64 (2 ms)
[ RUN ] function_bitmap_test.function_bitmap_and_count