fix(webhook): make label selectors unambiguous

[ebaron]

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---

Fixes: #924

Description of the change:

• Adds app.kubernetes.io/name label to all operator objects using commonLabels Kustomize property
• Cleanup: uncomments patch to remove cert volume and mount from bundle manifests, which is unneeded when run as a bundle

Motivation for the change:

• Fixes a bug where webhook requests may be sent to other operators in the same namespace

How to manually test:

1. Install another operator with a webhook (e.g. Infinispan Operator)
2. Deploy this PR into the same namespace
3. Exercise webhooks by creating and modifying Cryostat CRs

[ebaron]

/build_test

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