Fix securityContext settings in job template

[andreasgeisslerdt]

Intends needed to be fixed and containerSecurityContext value settings are used

What this PR does / why we need it:

When I want to use the options:

securityContext:
  runAsGroup: 65534
  runAsNonRoot: true
  runAsUser: 65534
  seccompProfile:
    type: RuntimeDefault
containerSecurityContext:
  allowPrivilegeEscalation: false
  capabilities:
    drop:
    - ALL
    - CAP_NET_RAW

the entries will not be set correctly in the resulting manifest

**Which issue this PR fixes:

fixes: #1087

Special notes for your reviewer:

PR Readiness Checklist:

Complete these before marking the PR as ready to review:

• the CHANGELOG.md release notes have been updated to reflect any significant (and particularly user-facing) changes introduced by this PR