ENH: New functions getEnumNameFromValue() and getEnumValueFromName()

Summary

See title.

Focus

Do the new functions cover the use cases of higher-order client libraries?

Test Environment

make test, look into test_utility.cpp.

Check List for the Author

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• All automated tests pass -> Please run clang-format on a more recent version than available here.
• Reference related Issues -> No explicit issue
• Up-to-date CHANGELOG.md
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

test/CMakeLists.txt

@@ -59,15 +59,16 @@ foreach (i RANGE "${len_test_cases}")
     target_include_directories(${test_case_name}
       PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
     if(_LINTING)
-    set_target_properties(${test_case_name}
-        PROPERTIES
-        CXX_CLANG_TIDY "${_CMAKE_CXX_CLANG_TIDY};${_CMAKE_CXX_CLANG_TIDY_TEST_CHECKS}"
-        CXX_INCLUDE_WHAT_YOU_USE "${_CMAKE_CXX_INCLUDE_WHAT_YOU_USE}")
+        set_target_properties(${test_case_name}
+            PROPERTIES
+            CXX_CLANG_TIDY "${_CMAKE_CXX_CLANG_TIDY};${_CMAKE_CXX_CLANG_TIDY_TEST_CHECKS}"
+            CXX_INCLUDE_WHAT_YOU_USE "${_CMAKE_CXX_INCLUDE_WHAT_YOU_USE}")
     endif()
     gtest_discover_tests(${test_case_name}
         WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
         PROPERTIES
-            LABELS "caosdb-cpplib-unit-tests")
+            LABELS "caosdb-cpplib-unit-tests"
+        )
 endforeach ()
 
 # copy test data to build dir