Perform all schema changes on the store queue to prevent concurrency issues, second try ;) (+2 squashed commits)
Squashed commits:
[90f5e1d] Revert "Perform all schema changes on the store queue to prevent concurrency issues."

This reverts commit 060c9e2d9e392e0278741a007a7fd507aa11e879.
[c00840a] Revert "dispatch sync to store queue for schema changes"

This reverts commit ababce6c0da66b2d04e69df3fc6f91a96d4337b6.