ZipExtensionWrapper class added with unit tests. #1795

Job	Run time
test-platforms (ubuntu-22.04)	1m 46s
build (AuthoringToolTest)	3m 59s
test-platforms (ubuntu-20.04)	1m 31s
build (BackendAccessTest)	2m 52s
test-platforms (windows-latest)	1m 40s
build (BusinessLogicTest)	3m 23s
test-platforms (macos-latest)	1m 48s
build (DataAccessTest)	3m 51s
build (GeneratorTest)	3m 11s
build (IntegrationTest)	3m 57s
build (PresentationTest)	3m 58s
build (SharedTest)	2m 2s
finish	5s
send-summary	2s
	34m 5s

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