Refactor startup notification
To be used together with mutter!208 (merged). Drops all usage of SnStartupSequence and its ShellStartupSequence wrapper, relying fully on MetaStartupSequence from there.
To be used together with mutter!208 (merged). Drops all usage of SnStartupSequence and its ShellStartupSequence wrapper, relying fully on MetaStartupSequence from there.