Remove unused JSON include and adjust const qualifier.

Removed redundant include of `nlohmann/json.hpp` in multiple files and migrated its usage into `util.hpp` while adding required safeguards for compatibility. Also replaced `constexpr` with `const` for `kTestParam` to align with its usage.

Author: allnes

modules/core/task/include/task.hpp

@@ -2,6 +2,7 @@
 
 #include <algorithm>
 #include <chrono>
+#include <core/util/include/util.hpp>
 #include <cstddef>
 #include <cstdlib>
 #include <exception>
@@ -14,8 +15,6 @@
 #include <string>
 #include <utility>
 
-#include "nlohmann/json.hpp"
-
 using namespace std::chrono;
 
 namespace ppc::core {

modules/core/util/include/func_test_util.hpp

@@ -11,7 +11,6 @@
 
 #include "core/perf/include/perf.hpp"
 #include "core/util/include/util.hpp"
-#include "nlohmann/json.hpp"
 
 namespace ppc::util {
 

modules/core/util/include/perf_test_util.hpp

@@ -11,7 +11,6 @@
 
 #include "core/perf/include/perf.hpp"
 #include "core/util/include/util.hpp"
-#include "nlohmann/json.hpp"
 
 namespace ppc::util {
 

modules/core/util/include/util.hpp

@@ -1,7 +1,19 @@
 #pragma once
+#include <cstdint>
 #include <string>
 #include <string_view>
 
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4459)  // переменная 'last' перекрывает глобальную
+#endif
+
+#include <nlohmann/json.hpp>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
 /* NOLINTBEGIN */
 #define INSTANTIATE_TEST_SUITE_P_NOLINT(prefix, test_case_name, generator, custom_test_name) \
   INSTANTIATE_TEST_SUITE_P(prefix, test_case_name, generator, custom_test_name)

tasks/example/tests/functional/main.cpp

@@ -64,8 +64,8 @@ namespace {
 
 TEST_P(NesterovARunFuncTests, MatmulFromPic) { ExecuteTest(GetParam()); }
 
-constexpr std::array<TestType, 3> kTestParam = {std::make_tuple(5, "5"), std::make_tuple(10, "10"),
-                                                std::make_tuple(15, "15")};
+const std::array<TestType, 3> kTestParam = {std::make_tuple(5, "5"), std::make_tuple(10, "10"),
+                                            std::make_tuple(15, "15")};
 
 INIT_TASK_GENERATOR(InType, kTestParam)