* [0.19] Fixing active counts slow queries. (#5907)
* Fixing active counts slow queries.
* Simplify back to str tuple
* Batch site and community updates
* Using update from temp table
* Making aggs temp table use interval name.
* Make dev setup use optimized postgres.
* Addressing PR comments.
* Use ref
* Removing system custom info from customPostgresql.conf
* Forgot to remove old scheduled tasks.
* Making sure migrations aren't missing anything from release/v0.19
Checked using git diff --diff-filter D --stat release/v0.19 migrations
* Rename all migrations to come after release/v0.19 migrations
* Add liked_at is not null check.
