FEXCore: Decompose some std::function usage to regular pointers #3361
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The delinker step of the JIT was using std::function with capture lambdas that required memory allocation when unnecessary. Because the compiler can't see through our std::function usage it could never decompose these by itself.
By passing the Thread's frame and record to the function as arguments then we can have the signature be a raw function pointer.
This fixes an area of concern from:
https://github.com/FEX-Emu/FEX/blob/main/docs/ProgrammingConcerns.md#stdfunction-and-lambdas