get events failing (0.19)

This is a follow-up to the sanity check issue discovered (see here ).

Steps to reproduce:

1. Install 0.19 RPMs for server and agent
2. start server on port 8080: systemctl start isc-stork-server
3. run agent: stork-agent --server-url http://192.168.56.101:8000/ --host 192.168.56.101 --port 8080
4. go to UI, click unauthorized, authorize the new machine
5. nagivate to Services>Machines, click on the machine.

When looking at the firefox console, I got this:

The response says: {"message":"problem with fetching events from the database"}.

The server log prints lots of data, but this one seems relevant: #033[31mERRO#033[0m[2021-08-11 12:22:19] events.go:63 problem with getting events: ERROR #42846 cannot cast type jsonb to integer

Full logs attached: centos8-stork.log