* 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
* changed given statement of sharing link in api antivirus feature file
* updated scenerio of uploading virus inside public share
* added step defnitin for uploading file via public link
* refactored given steps
* refactored some when stepa
* refactored remaining when and then steps
* use of when step for the action
* changed line no in expected failure
* remove and add same kind of steps in the scenario and refactored function names
* adressing reviews