SOC-4095 - Add proirity to OSHtmlSanitizer in order to remove warning message during startup
SOC-3556 [User Activity Stream] 'The target block ID to update is not found: UIComposer' when switching to view mode

Problem analysis:
* The previous fix raises a little regression: the Input Link Box alway displays after login.

Fix description:
* Update condition to show Input Link Box only when the user clicks on Share Link icon.
Merge commit '426d6dce282e8528554e9b800a5c3dfa70a8752a' into HEAD