Removed /Zi from gtest (openvinotoolkit#22866) (openvinotoolkit#22898)

### Details:
- There is no need to keep `/Zi` at all, because OV will propagate all
its flags to gtest

### Details:
 - Ported openvinotoolkit#22866

Author: ilya-lavrenov

thirdparty/gtest/CMakeLists.txt

@@ -39,18 +39,13 @@ _ov_gtest_filter_install_interface(gmock gmock)
 _ov_gtest_filter_install_interface(gmock_main gmock)
 
 foreach(target gtest gtest_main gmock gmock_main)
-    # If we have specified /Z7 option, remove -Zi option which comes from gtest
-    if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-        get_target_property(_target_cxx_flags ${target} COMPILE_OPTIONS)
+    if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+        get_target_property(_target_cxx_flags ${target} COMPILE_FLAGS)
         if(_target_cxx_flags)
-            if(CMAKE_CXX_FLAGS_DEBUG MATCHES ".+/Z7.+" OR CMAKE_CXX_FLAGS_RELWITHDEBINFO MATCHES ".+/Z7.+")
-                string(REPLACE "-Zi" " " _target_cxx_flags ${_target_cxx_flags})
-                message(STATUS "Removing -Zi flag from target " ${target})
-                set_target_properties(${target} PROPERTIES COMPILE_OPTIONS "${_target_cxx_flags}")
-            endif()
+            string(REPLACE "-Zi" " " _target_cxx_flags ${_target_cxx_flags})
+            set_target_properties(${target} PROPERTIES COMPILE_FLAGS "${_target_cxx_flags}")
         endif()
-    elseif(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "^(Apple)?Clang$" OR
-        CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+    elseif(CMAKE_COMPILER_IS_GNUCXX OR OV_COMPILER_IS_CLANG OR CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
         target_compile_options(${target} PRIVATE -Wno-undef)
         if(CMAKE_COMPILER_IS_GNUCXX)
             target_compile_options(${target} PRIVATE -Wno-deprecated-copy)