updated documentation template files title fields (#6622)

[ricklarsen]

FORWARD PORT of #6622

What does this PR do?

updates the documentation ftl templates for consistency on :title: fields to enable use in custom pdf templates

@shaundmorris @sgalla @rececoffin @jaymcnallie

@codice/docs @codice/website

How should this be tested?

builds successfully, changes won't be apparent in pdfs at this stage

Checklist:

• [x] Documentation Updated
• [ ] Update / Add Threat Dragon models
• [ ] Update / Add Unit Tests
• [ ] Update / Add Integration Tests

Notes on Review Process

Please see Notes on Review Process for further guidance on requirements for merging and abbreviated reviews.

Review Comment Legend:

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[ricklarsen]

build now

[cxddfbot]

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[cxddfbot]

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