updated documentation template files title fields

[ricklarsen]

What does this PR do?

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

@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:

• ✏️ (Pencil) This comment is a nitpick or style suggestion, no action required for approval. This comment should provide a suggestion either as an in line code snippet or a gist.
• ❓ (Question Mark) This comment is to gain a clearer understanding of design or code choices, clarification is required but action may not be necessary for approval.
• ❗ (Exclamation Mark) This comment is critical and requires clarification or action before approval.

[ricklarsen]

build now

[cxddfbot]

Internal build has been started, your results will be available at build completion.

[cxddfbot]

Build SUCCESS See the job results in legacy Jenkins UI or in Blue Ocean UI.