Swap Result constructor constraint arguments

Author: liam-teale

include/common/result.hpp

@@ -34,7 +34,7 @@ class Result<T, Errs...> {
      * @param value Value to initialize the result with.
      */
     template<typename U>
-        requires std::convertible_to<T, U>
+        requires std::convertible_to<U, T>
     constexpr Result(U&& value)
         : error(std::monostate()),
           value(std::forward<U>(value)) {}