Add statement to identify start of section inputs to simplify statements for skipping unsupported sections

[peterjamesnugent]

Issues addressed by this PR

Closes #356

Test files

https://burohappold.sharepoint.com/:f:/r/sites/BHoM/02_Current/12_Scripts/01_Issue/BHoM/MidasCivil_Toolkit/%23356%20Custom%20Sections%20Not%20Supported?csf=1&web=1&e=OQFqUA

Changelog

• Changed the way SectionProperties are read to capture unsupported sections from MidasCivil.
• Improved the database searching when pulling database SectionProperty and IMaterialFragment from MidasCivil

Additional comments

[peterjamesnugent]

@BHoMBot check required

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[peterjamesnugent]

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[jtrainor1]

Reviewed and works as intended:

[peterjamesnugent]

@BHoMBot check required

[bhombot-ci]

@peterjamesnugent to confirm, the following actions are now queued:

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• check core
• check null-handling
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• check installer

[FraserGreenroyd]

Discussed with @peterjamesnugent offline, and approving for merge based on this review for testing via beta test artefacts this sprint.

[FraserGreenroyd]

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[bhombot-ci]

@FraserGreenroyd to confirm, the following actions are now queued:

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