Update Revit_Engine.csproj to include RevitDiffing.cs

[alelom]

Issues addressed by this PR

Closes #1107

Test files

See #1106

Changelog

Additional comments

[alelom]

@BHoMBot check-required

[bhombot-ci]

@alelom sorry, I didn't understand.
Was that comment an instruction for me? If so, could you state again what check you would like me to do?
For a list of available instructions, please see this wiki page.

[alelom]

@BHoMBot check required

[bhombot-ci]

@alelom to confirm, the following checks are now queued:

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

[pawelbaran]

😢

[alelom]

@BHoMBot check ready-to-merge
@BHoMBot check dataset-compliance
@BHoMBot check copyright-compliance

[bhombot-ci]

@alelom to confirm, the following checks are now queued:

• ready-to-merge
• dataset-compliance
• copyright-compliance

There are 10 requests in the queue ahead of you.

[bhombot-ci]

FAO: @FraserGreenroyd
@alelom is seeking dispensation on this Pull Request to skip a required check. Please can you provide authorisation for the check to be skipped, or provide assistance as appropriate.

The check they wish to have dispensation on is project-compliance.

If you are providing dispensation on this occasion, please reply with:

@BHoMBot this is a CI/CD instruction. I am authorising dispensation to be granted on check ref. 3892590561

[FraserGreenroyd]

@BHoMBot this is a CI/CD instruction. I am authorising dispensation to be granted on check ref. 3892590561

[bhombot-ci]

@FraserGreenroyd I have now provided a passing check on reference 3892590561 as requested.