Aof rewrite fix and test

[alonre24]

Refactoring and testing Redis AOF_Rewrite mechanism on ReidsAI types (probably for the first time...)

[codecov]

Codecov Report

Merging #754 (c0b058d) into master (ffbf441) will decrease coverage by 0.23%.
The diff coverage is 65.17%.

@@            Coverage Diff             @@
##           master     #754      +/-   ##
==========================================
- Coverage   79.38%   79.15%   -0.24%     
==========================================
  Files          48       49       +1     
  Lines        7476     7651     +175     
==========================================
+ Hits         5935     6056     +121     
- Misses       1541     1595      +54     

Impacted Files	Coverage Δ
src/serialization/AOF/rai_aof_rewrite.c	0.00% <0.00%> (ø)
.../serialization/RDB/decoder/previous/v1/decode_v1.c	64.63% <ø> (ø)
...c/serialization/RDB/decoder/current/v2/decode_v2.c	67.87% <67.87%> (ø)
src/redisai.c	85.46% <100.00%> (+0.03%)	⬆️
src/serialization/RDB/decoder/decode_previous.c	75.00% <100.00%> (+8.33%)	⬆️
src/serialization/RDB/decoder/rai_rdb_decoder.c	100.00% <100.00%> (ø)
src/serialization/RDB/encoder/rai_rdb_encode.c	100.00% <100.00%> (ø)
src/serialization/RDB/encoder/v2/encode_v2.c	89.28% <100.00%> (ø)

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