Deprecation warning event spamming and incomplete association with operand

[jaideepr97]

Describe the bug
Currently the operator spams deprecation warning events on the cluster when any of the soon-to-be-deprecated SSO/dex related fields/env vars are used. There are too many events being generated and they aren't timestamped or properly associated with the affected CR

To Reproduce
Steps to reproduce the behavior:

Install/run the operator and have a CR using the old SSO config method or specifying the DISABLE_DEX env var in the subscription

Expected behavior
A single event is generated with proper timestamps and CR association, and its count updated if multiple occurances of the event are observed, instead of spamming events and polluting the cluster

Screenshots
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Additional context
https://issues.redhat.com/browse/GITOPS-2230