Re-fix NetworkPolicy bootstrap policies

[danwinship]

#17976 "use cluster role aggregation for admin, edit, and view" removed permission for "admin" and "edit" on extensions.NetworkPolicy (but not networking.NetworkPolicy). It appears to have been a mistake?

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1538048

[pravisankar]

LGTM

[enj]

@openshift/sig-security

Seems fine, @deads2k @simo5 feel free to hold if I am mistaken.

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: danwinship, enj

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[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-bot]

/retest

Please review the full test history for this PR and help us cut down flakes.

[openshift-merge-robot]

/test all [submit-queue is verifying that this PR is safe to merge]

[openshift-merge-robot]

Automatic merge from submit-queue (batch tested with PRs 18044, 18372, 18354).

[openshift-ci-robot]

@danwinship: The following test failed, say /retest to rerun them all:

Test name	Commit	Details	Rerun command
ci/openshift-jenkins/extended_conformance_install	2f5ecc3	link	/test extended_conformance_install

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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