Use the j$ prefix for class names during decompilation/compilation

[volodya-lombrozo]

We need to add j$ prefix during the decompilation for all the created objects. This is needed to avoid the problem with naming in eo.

eo doesn't allow to use capital letters at the first place

For example, now we have such problems like this and this.

[0crat]

@volodya-lombrozo Hey there! 👋 Sorry your ticket didn't make the cut this time. As per our policy, that's a -16 point deduction. But don't sweat it! Your balance is still a healthy +278. Keep those bug reports and ideas coming – they're super valuable for improving our project. Just aim for a bit more precision next time. Remember, bugs are welcome, so don't hesitate to report them. You're doing great!