fix(#4032): Update XMIR format for bytes representation

[volodya-lombrozo]

This change aims to add abstract object to the byte representation. Additionally, the PR updates various test cases to reflect the new XMIR format. Closes #4032.

[volodya-lombrozo]

@maxonfjvipon Could you review these changes, please?

[github-actions]

🚀 Performance Analysis

Test	Base Score	PR Score	Change	% Change	Unit	Mode
benchmarks.XmirBench.xmirToEO	170.827	190.347	19.520	11.43%	ms/op	Average Time
benchmarks.XmirBench.xmirToPhi	145.740	172.912	27.172	18.64%	ms/op	Average Time
benchmarks.XmirBench.xmirToSaltyPhi	157.747	170.624	12.878	8.16%	ms/op	Average Time

⚠️ Performance loss: benchmarks.XmirBench.xmirToEO is slower by 19.520 ms/op (11.43%)
⚠️ Performance loss: benchmarks.XmirBench.xmirToPhi is slower by 27.172 ms/op (18.64%)
⚠️ Performance loss: benchmarks.XmirBench.xmirToSaltyPhi is slower by 12.878 ms/op (8.16%)

[maxonfjvipon]

@volodya-lombrozo LGTM, like it

[volodya-lombrozo]

@yegor256 Could you merge this changes, please?

[0crat]

@maxonfjvipon Thanks for the review! Your effort earned you +4 points: +4 base, -24 for self-review, +0.75 for 3 comments, -10 for fewer than 6 comments, and +33.25 to meet the minimum 4-point reward. While self-reviews aren't ideal, your comments are valuable. Keep up the good work! Your current balance is +42.

[0crat]

@volodya-lombrozo 🌟 Fantastic work on your contribution! You've earned a well-deserved +10 points: +4 base, +9 for your impressive 191 hits-of-code, with a small -4 adjustment for minimal comments. Your dedication is driving our project forward! Keep up the great momentum. Your current balance stands at +48. We're excited to see what you'll bring next!

[0crat]

@yegor256 Great job on the review! 🌟 You've earned 4 points: 4 base points, adjusted for the limited comments. Your dedication is appreciated! Keep up the good work to improve your balance, which currently stands at -508. Every contribution counts!