Fixes #6960: Environments no longer disappear on hover on Content Search page.
fixes #7012 - content search - fix 404 retrieving spinner.gif

This issue was observed when testing the following bugzilla:
    https://bugzilla.redhat.com/show_bug.cgi?id=1115308#c8
Merge pull request #4535 from ehelms/fixes-6960

Fixes #6960: Environments no longer disappear on environment selector.
Merge pull request #4556 from bbuckingham/issue-7012

fixes #7012 - content search - fix 404 retrieving spinner.gif