Polish metrics page and flow

[rebecarubio]

Description

This PR implements a new design for "outcomes" page, now renamed as "report" page. It polishes the creation, listing, deletion and edition of metrics for the canvas assignment.

Screenshots

Changes

• Renames Outcomes tab for Report
• Implements new design to choose the "Reporting level" now called "Data collection"
• Adds new icons to differentiate Choise Metrics from Scale Metrics
• Places the questions toolbar on the bottom of the page
• Changes Edit and Delete buttons for icons
• Removes Checkbox in edit mode
• Adds a Modal to open in edit mode
• Adds a confirmation Modal before deleting a metric

Notes to reviewer

None

Related issues

None

[richardolsson]

I can't find the new UI. Was the tab lost in the merge?

https://app-zetkin-wi1wgb361-zetkin.vercel.app/organize/1/projects/9/areaassignments/6762b039174d1f80e2824b1a

[rebecarubio]

I can't find the new UI. Was the tab lost in the merge?

https://app-zetkin-wi1wgb361-zetkin.vercel.app/organize/1/projects/9/areaassignments/6762b039174d1f80e2824b1a

The tab is not lost but the file is called "logging" so I didn't want to do the full renaming of the tab before talking with a native speaker (as we discuss in K&K), so now in the branch we see the "report" file that is the old one.