feat: Scroll to active Cairo code segment

[barabanovro]

Cairo editor should automatically scroll to a first highlighted (active) Cairo code segment when moving through the execution trace. It should not scroll if any highlighted code segment is already in a viewport.

[princeibs]

Hi @barabanovro, can I hop on this?

[BlackStarkGoku]

Hi, I am a frontend software engineer that recently discovered starknet ecosystem! I really want and I am motivated to start doing my first contributions to the ecosystem, I would be honored to tackle this issue !

[barabanovro]

@BlackStarkGoku, the issue is yours!
@princeibs, according to our contributing guidelines, you should present yourself briefly if you are a first-time contributor.