[core] Fix MSVC handler table initialization (#4421)

Construct FunctionInfoTyped at runtime instead of forcing constant initialization. This avoids malformed static handler tables when MSVC converts typed member-function pointers, particularly for entries with null handlers.

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4421
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: lizzie <lizzie@eden-emu.dev>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index df56b69847..ea98897e79 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -143,7 +143,7 @@ protected:
         /// @param expected_header_ request header in the command buffer which will trigger dispatch to this handler
         /// @param handler_callback_ member function in this service which will be called to handle the request
         /// @param name_ human-friendly name for the request. Used mostly for logging purposes.
-        constexpr FunctionInfoTyped(u32 expected_header_, HandlerFnP<T> handler_callback_, const char* name_)
+        FunctionInfoTyped(u32 expected_header_, HandlerFnP<T> handler_callback_, const char* name_)
             : FunctionInfoBase{expected_header_, HandlerFnP<ServiceFrameworkBase>(handler_callback_), name_} {}
     };
     using FunctionInfo = FunctionInfoTyped<Self>;