* update given step using sharingNg in changeSpaces.feature
* update given step using sharingNg in disableAndDeleteSpaces.feature
* update given step using sharingNg in editPublicLinkOfSpace.feature
* update given step using sharingNg in filePreviews.feature
* update given step using sharingNg in listSpaces.feature
* update given step using sharingNg in publicLink.feature
* update given step using sharingNg in removeSpaceObjects.feature
* Separate positive and negative testing in different scenario
* Remove duplicate scenario
* Refactor json step graamer
* Remove unnecessary steps
* Add step to check space disable state