Dashboard Chart: Fix missing device feature unit when editing a chart

[Pierre-Gilles]

Pull Request check-list

To ensure your Pull Request can be accepted as fast as possible, make sure to review and check all of these items:

• If your changes affects code, did your write the tests?
• Are tests passing? (npm test on both front/server)
• Is the linter passing? (npm run eslint on both front/server)
• Did you run prettier? (npm run prettier on both front/server)
• If you are adding a new features/services, did you run integration comparator? (npm run compare-translations on front)
• Did you test this pull request in real life? With real devices? If this development is a big feature or a new service, we recommend that you provide a Docker image to the community (french forum/english forum) for testing before merging.

Description of change

Fix https://community.gladysassistant.com/t/graphique-qualite-de-lair/9412/3?u=pierre-gilles

[cloudflare-workers-and-pages]

Deploying gladys-plus with    Cloudflare Pages

Latest commit:	e011f02
Status:	✅  Deploy successful!
Preview URL:	https://5aad1554.gladys-plus.pages.dev
Branch Preview URL:	https://fix-bug-edit-chart.gladys-plus.pages.dev

View logs

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.56%. Comparing base (034dc5a) to head (e011f02).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2246   +/-   ##
=======================================
  Coverage   98.56%   98.56%           
=======================================
  Files         878      878           
  Lines       14557    14557           
=======================================
  Hits        14348    14348           
  Misses        209      209           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[relativeci]

#3062 Bundle Size — 10.66MiB (~-0.01%).

e011f02(current) vs 034dc5a master#3061(baseline)

Warning

Bundle contains 2 duplicate packages – View duplicate packages

Bundle metrics   2 changes 1 improvement

	Current #3062	Baseline #3061
Initial JS	5.84MiB(~-0.01%)	5.84MiB
Initial CSS	305.21KiB	305.21KiB
Cache Invalidation	54.71%	0%
Chunks	51	51
Assets	172	172
Modules	1583	1583
Duplicate Modules	21	21
Duplicate Code	0.89%	0.89%
Packages	135	135
Duplicate Packages	2	2

Bundle size by type   6 changes 6 regressions

	Current #3062	Baseline #3061
JS	7.7MiB (+100%)	undefined
IMG	2.52MiB (+100%)	undefined
CSS	323.06KiB (+100%)	undefined
Fonts	93.55KiB (+100%)	undefined
Other	18.21KiB (+100%)	undefined
HTML	13.58KiB (+100%)	undefined

Bundle analysis report Branch fix-bug-edit-chart Project dashboard

---

^{Generated by RelativeCI Documentation Report issue}