fix(detector): extend DYNAMIC_EXECUTION for operator.call and functools.partial exec wrappers

[SarahLacard]

KernelGuard-Red-Submission: operator-exec-1

Extends DYNAMIC_EXECUTION detection to catch operator.call(exec, ...), functools.partial(exec, ...), and builtins.exec()/eval() wrappers that evade the existing detector (which only checks func_name directly).

[SinatrasC]

Thanks for the KernelGuard Flywheel Campaign contribution. We are not selecting this PR for merge because it is too narrow or not aligned with the current consolidated rule-family surface.