[Feat] Separate Matching Logic for Mock and Real Orders

[pjho4746]

Is your feature request related to a problem? Please describe.
Both mock orders and real orders undergo the matching process, but only real orders should proceed to execution.

Describe the solution you'd like
Modify the process so that both mock orders and real orders go through the matching process, but only real orders proceed to execution.

Describe alternatives you've considered

Additional context