fix(EVM): Read bytecode by pointer instead of copying

[0xVolosnikov]

What ❔

Why ❔

Checklist

• PR title corresponds to the body of PR (we generate changelog entries from PRs).
• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.

[0xVolosnikov]

Approximate diff rn:

╔═╡ Size (-%) ╞═════╡ EVMInterpreter MzB3 ╞═╗
║ Best                                0.000 ║
║ Worst                               0.000 ║
║ Total                                 NaN ║
╠═╡ Cycles (-%) ╞═══╡ EVMInterpreter MzB3 ╞═╣
║ Best                               19.595 ║
║ Worst                              -2.564 ║
║ Total                               3.317 ║
╠═╡ Ergs (-%) ╞═════╡ EVMInterpreter MzB3 ╞═╣
║ Best                               35.465 ║
║ Worst                               0.000 ║
║ Total                              29.711 ║
╠══╡ Gas (-%) ╞═════╡ EVMInterpreter MzB3 ╞═╣
║ Best                                0.000 ║
║ Worst                               0.000 ║
║ Total                               0.000 ║
╚═══════════════════════════════════════════╝