Tms export (#4160)

* Change parameter type of nodeExtDescriptorMapping

(cherry picked from commit ca7ce0485a)

* Remove usage of the depricated ioutil package

(cherry picked from commit 9821915b33)

* Fix cmd failure if neither git/commitId nor customDescription are
provided

(cherry picked from commit c362681e45)

* Fix unit test

(cherry picked from commit 53a90aabb5)

* Step metadata, step code generation

* change type of nodeExtDescriptorMapping for export

* Refactoring and export implementation

* integration test

* Add export step

* Integration test

* format

* discard piper.go

* Review related changes

* restore piper.go

* remove unused method

* Extend documentation

* Add parameter useGoStep to tmsUpload.groovy

* Regenerate steps

* Rename function

* refactor constants

* Add error path tests

* Move some code to tms package

* Move more code to tms

* Combine tmsUpload, tmsUtils

* Add groovy wrapper

* add parameters to groovy step

* add import

* jenkinsUtils instance

* comment namedUser logic in groovy

* namedUser param

* remove logic for namedUser param

* Remove TMS integration tests

* discard changes in tmsUpload.groovy

* Remove parameters

* Restore parameters

* Change type of NodeExtDescriptorMapping to map[string]interface{}

* tmsUpload: Change type of NodeExtDescriptorMapping to map

* Resolve ioutil deprecation

* Review related changes

* Formatting

* Review related improvements

* Add tmsUtils test

* Formatting tmsUtils_test

* Remove parameters from groovy wrapper

* Remove tmsUtils_test

* Add TMS steps to fieldRelatedWhitelist

* Add integration test

* Add test to github_actions_integration_test_list.yml

* Move test helper method

* Step documentation placeholder

* Remove parameter StashContent

* Restore cmd/integrationArtifactTransport.go

---------

Co-authored-by: Oliver Feldmann <oliver.feldmann@sap.com>

test/groovy/CommonStepsTest.groovy

@@ -225,6 +225,8 @@ public class CommonStepsTest extends BasePiperTest{
         'awsS3Upload',
         'ansSendEvent',
         'apiProviderList', //implementing new golang pattern without fields    
+        'tmsUpload',
+        'tmsExport',
     ]
 
     @Test