Revert "Desktop notifications added in test step and set/tag creation page, but with static message!"

This reverts commit 72469b69a9f7e281bdf335494f6719e3a83b2de0.
Revert "Revert "Desktop notifications added in test step and set/tag creation page, but with static message!""

This reverts commit d36cd8523ec7f43c875374faaa363d7d41ad8e49.