[Frontend] Fix filtering metrics in review metrics page

[terryttsai]

Description of the change

Filter out metrics we are getting in the data upload api response if there are no updated datapoints for that metric

Type of change

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Label	Description
Type: Bug	non-breaking change that fixes an issue
Type: Feature	non-breaking change that adds functionality
Type: Breaking Change	fix or feature that would cause existing functionality to not work as expected
Type: Non-breaking refactor	change addresses some tech debt item or prepares for a later change, but does not change functionality
Type: Configuration Change	adjusts configuration to achieve some end related to functionality, development, performance, or security
Type: Dependency Upgrade	upgrades a project dependency - these changes are not included in release notes

Related issues

Closes #27

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[mxosman]

LGTM

[lilidworkin]

Thanks so much for the quick fix @terryttsai ! Two questions:

1. How does this affect the numbering? I imagine this will still cause the issue where now the numbers can start at, e.g. 4 instead of 1? Is that easy to fix? Totally fine to do that in a separate PR.
2. How does this look if there are 0 metrics with datapoints (e.g. if you upload an example template)? I know we're still debating the right behavior for this state, and might not even show this page in this case, but in the meantime, maybe we can add a little message to this state that says something like "Uh oh, no data was found in the spreadsheet."

[terryttsai]

This PR fixes the issue where the metric section number starts at, say, 4 instead of 1.

Right now, 0 metrics just say "Review 0 metrics" and the subtitle and the sections are empty.

We could render some sort of message on this page if there are 0 metrics to review for now, I'll take a stab at it.

[lilidworkin]

This PR fixes the issue where the metric section number starts at, say, 4 instead of 1.

oh awesome!

Right now, 0 metrics just say "Review 0 metrics" and the subtitle and the sections are empty. We could render some sort of message on this page if there are 0 metrics to review for now, I'll take a stab at it.

That would be great! Thank you!