Make ObjectIds constant

[YiFeiZhang2]

Description

Use createFromTime with a constant integer to make constant ObjectIds

Fixes #188

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Passes local unit tests

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[pierreTklein]

I like it

[pierreTklein]

Wait, what about the singular roles?

[YiFeiZhang2]

Forgot about those haha. Updated