Investigate if there are any other gaps with webhook testing other than space deletion

Issue Summary

Investigate if there are any other features that lack automated testing for webhook events.

See https://jira.atlassian.com/browse/CONFCLOUD-78388 for space deletion.

Created as part of:
https://hello.atlassian.net/wiki/spaces/SRE/pages/3577232943/PIR-18443+-+Sev2+-+Purging+spaces+doesn+t+fire+entity+removed+webhooks

Steps to Reproduce

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Expected Results

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Actual Results

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Workaround

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