recipe typos / consistency fixes

[davetroiano]

• need comma after mq.password in connector: https://developer.confluent.io/tutorials/mainframe-offload/confluent.html
• connector config formatting (colon to =): https://github.com/confluentinc/frontend-vault/blob/master/packages/cloud/src/constants/checklist-configs-v2/ksql-recipes/online-dating.js#L62-L67
• comma after kafka.topic: https://developer.confluent.io/tutorials/messaging-modernization/confluent.html
• topic name should match case, i.e. lowercase TOPIC-OPERATIONS-AUDIT-LOG: https://developer.confluent.io/tutorials/audit-logs/confluent.html
• remove name from all CREATE CONNECTOR statements since they wont be used, e.g. here: https://developer.confluent.io/tutorials/mainframe-offload/confluent.html