Re: [PATCH v4 0/6] MR2435: Fix activation context switching from SwitchToFiber().

[Jinoh Kang (＠iamahuman)]

v4:
- Reorder local variable declarations in `RtlActivateActivationContext`
- Remove redundant check in `relocate_thread_actctx_stack`.
- Remove `(void)unused;` statement in `exit_thread_fiber_func`.