[enterprise-4.16] 4.18 backport OADP-6353 set 1 DITA fixes

[openshift-cherrypick-robot]

This is an automated cherry-pick of #101086

/assign shdeshpa07

[openshift-ci]

@openshift-cherrypick-robot: all tests passed!

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[shdeshpa07]

/cherrypick enterprise-4.15

[openshift-cherrypick-robot]

@shdeshpa07: #101410 failed to apply on top of branch "enterprise-4.15":

Applying: OADP-6353 Added role to mark DITA descriptions
Using index info to reconstruct a base tree...
M	backup_and_restore/application_backup_and_restore/oadp-advanced-topics.adoc
M	backup_and_restore/application_backup_and_restore/oadp-features-plugins.adoc
M	backup_and_restore/application_backup_and_restore/oadp-intro.adoc
M	modules/oadp-ibm-power-test-support.adoc
M	modules/oadp-ibm-z-test-support.adoc
Falling back to patching base and 3-way merge...
Auto-merging modules/oadp-ibm-z-test-support.adoc
CONFLICT (content): Merge conflict in modules/oadp-ibm-z-test-support.adoc
Auto-merging modules/oadp-ibm-power-test-support.adoc
CONFLICT (content): Merge conflict in modules/oadp-ibm-power-test-support.adoc
Auto-merging backup_and_restore/application_backup_and_restore/oadp-intro.adoc
Auto-merging backup_and_restore/application_backup_and_restore/oadp-features-plugins.adoc
Auto-merging backup_and_restore/application_backup_and_restore/oadp-advanced-topics.adoc
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 OADP-6353 Added role to mark DITA descriptions

In response to this:

/cherrypick enterprise-4.15

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