fixes #6646 / BZ 1104104 - Content View - disable version promote/remove during publish/promote

This commit addresses 2 issues:

1. when a version is being published, disable the promote/remove links on that version
2. when a version is being promoted, disable the promote/remove links on that version
Merge pull request #4447 from bbuckingham/issue-6646

fixes #6646 / BZ 1104104 - Content View - disable version promote/remove during publish/promote