refactor(interpreter): refactor sstore_cost

[rakita]

closes #830

I didn't have permission to push it to this branch #891 so i made PR.

[github-actions]

Valgrind Results:

==3966== Cachegrind, a cache and branch-prediction profiler
==3966== Copyright (C) 2002-2017, and GNU GPL'd, by Nicholas Nethercote et al.
==3966== Using Valgrind-3.18.1 and LibVEX; rerun with -h for copyright info
==3966== Command: target/release/snailtracer
==3966== 
--3966-- warning: L3 cache found, using its data for the LL simulation.
Snailtracer Host+Interpreter benchmark (2.1s) ...            not enough samples
==3966== 
==3966== I   refs:      455,345,856
==3966== I1  misses:          4,530
==3966== LLi misses:          2,887
==3966== I1  miss rate:        0.00%
==3966== LLi miss rate:        0.00%
==3966== 
==3966== D   refs:      237,387,700  (160,564,497 rd   + 76,823,203 wr)
==3966== D1  misses:        349,239  (    208,934 rd   +    140,305 wr)
==3966== LLd misses:        137,561  (      4,048 rd   +    133,513 wr)
==3966== D1  miss rate:         0.1% (        0.1%     +        0.2%  )
==3966== LLd miss rate:         0.1% (        0.0%     +        0.2%  )
==3966== 
==3966== LL refs:           353,769  (    213,464 rd   +    140,305 wr)
==3966== LL misses:         140,448  (      6,935 rd   +    133,513 wr)
==3966== LL miss rate:          0.0% (        0.0%     +        0.2%  )