Event suppression added to methods parsing properties of SpecTypeId and UnitTypeId

[pawelbaran]

Issues addressed by this PR

Closes #1503

Test files

Changelog

Additional comments

[pawelbaran]

@BHoMBot check required

[bhombot-ci]

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

• check code-compliance
• check documentation-compliance
• check project-compliance
• check core
• check null-handling
• check serialisation
• check versioning
• check installer

[bhombot-ci]

@pawelbaran just to let you know, I have provided a check-versioning result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on Revit_Diffing_Tool

[michal-pekacki]

Changes make sense, happy to approve 👍

[bhombot-ci]

@pawelbaran just to let you know, I have provided a check-versioning result to this Pull Request as it was detected to be linked to other Pull Requests in a series. The comment which triggered this check came from @pawelbaran on Revit_UI

[pawelbaran]

@BHoMBot check copyright-compliance
@BHoMBot check dataset-compliance

[bhombot-ci]

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

• check copyright-compliance
• check dataset-compliance

[pawelbaran]

@BHoMBot check ready-to-merge

[bhombot-ci]

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

• check ready-to-merge

There are 4 requests in the queue ahead of you.