chore: fix compile for alloydb

[rakita]

fix compile and small refactor on load account

[github-actions]

Valgrind Results:

==4063== Cachegrind, a cache and branch-prediction profiler
==4063== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al.
==4063== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==4063== Command: target/release/snailtracer
==4063== 
--4063-- warning: L3 cache found, using its data for the LL simulation.
Running snailtracer example!
elapsed: 1.808867308s
==4063== 
==4063== I   refs:      427,040,502
==4063== I1  misses:          3,243
==4063== LLi misses:          2,786
==4063== I1  miss rate:        0.00%
==4063== LLi miss rate:        0.00%
==4063== 
==4063== D   refs:      204,077,634  (132,269,558 rd   + 71,808,076 wr)
==4063== D1  misses:        341,603  (    201,669 rd   +    139,934 wr)
==4063== LLd misses:        137,734  (      4,451 rd   +    133,283 wr)
==4063== D1  miss rate:         0.2% (        0.2%     +        0.2%  )
==4063== LLd miss rate:         0.1% (        0.0%     +        0.2%  )
==4063== 
==4063== LL refs:           344,846  (    204,912 rd   +    139,934 wr)
==4063== LL misses:         140,520  (      7,237 rd   +    133,283 wr)
==4063== LL miss rate:          0.0% (        0.0%     +        0.2%  )