Description

Allow staff users to select a past date in CustomDatePicker, display warning message when doing so.
Please see onRouteBCSpecification for details

Fixes #ORV2-3201

Type of change

Please delete options that are not relevant.

• [] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• I have read the CONTRIBUTING doc
• 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 already been accepted and merged

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Thanks for the PR!

Deployments, as required, will be available below:

• Frontend
• Vehicles
• Dops
• Policy
• Scheduler

Please create PRs in draft mode. Mark as ready to enable:

• Analysis Workflow

After merge, new images are promoted to:

• Merge Workflow