[WorkerSleepStrategy] call the correct implementation method

emper/sleep_strategy/AbstractWorkerSleepStrategy.hpp

@@ -14,7 +14,7 @@ static constexpr bool needsNotifySpecific =
 template <class T>
 class AbstractWorkerSleepStrategy {
 	[[nodiscard]] inline auto getSleeping() const -> long {
-		return static_cast<T*>(this)->getValue();
+		return static_cast<T*>(this)->getSleeping();
 	}
 
 	template <CallerEnvironment callerEnvironment>