MQTT : Add custom topic for device features

[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:

• [x] If your changes affects code, did your write the tests?
• [x] Are tests passing? (npm test on both front/server)
• [x] Is the linter passing? (npm run eslint on both front/server)
• [x] Did you run prettier? (npm run prettier on both front/server)
• [x] If you are adding a new features/services, did you run integration comparator? (npm run compare-translations on front)
• [x] 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.
• [x] If your changes modify the API (REST or Node.js), did you modify the API documentation? (Documentation is based on comments in code)
• [ ] If you are adding a new features/services which needs explanation, did you modify the user documentation? See the GitHub repo and the website.
• [ ] Did you add fake requests data for the demo mode (front/src/config/demo.js) so that the demo website is working without a backend? (if needed) See https://demo.gladysassistant.com.

NOTE: these things are not required to open a PR and can be done afterwards / while the PR is open.

Description of change

[cloudflare-pages[bot]]

Deploying gladys-plus with    Cloudflare Pages

Latest commit:	f822ec6
Status:	✅  Deploy successful!
Preview URL:	https://48571fa5.gladys-plus.pages.dev
Branch Preview URL:	https://mqtt-custom-topic.gladys-plus.pages.dev

View logs

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.39%. Comparing base (c28b59e) to head (f822ec6). Report is 4 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2066 +/- ## ========================================== + Coverage 98.38% 98.39% +0.01% ========================================== Files 850 854 +4 Lines 13890 13984 +94 ========================================== + Hits 13666 13760 +94 Misses 224 224 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[relativeci[bot]]

#2541 Bundle Size — 10.12MiB (+0.17%).

f822ec6(current) vs 3bd6128 master#2540(baseline)

[!WARNING] Bundle contains 3 duplicate packages – View duplicate packages

Bundle metrics   3 changes 1 regression

	Current #2541	Baseline #2540
Initial JS	5.44MiB(+0.31%)	5.43MiB
Initial CSS	302.96KiB	302.96KiB
Cache Invalidation	53.58%	0%
Chunks	51	51
Assets	170	170
Modules	1479(+0.07%)	1478
Duplicate Modules	21	21
Duplicate Code	0.82%	0.82%
Packages	124	124
Duplicate Packages	3	3

Bundle size by type   1 change 1 regression

|            |       Current
[#2541](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps?utm_source=github&utm_medium=pr-report "View bundle analysis report") |      Baseline
[#2540](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2540-BW1FF68OlJxp1eX55W94?utm_source=github&utm_medium=pr-report "View baseline bundle analysis report") | |:--|--:|--:| |   [JS](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-1_ft.IMG-0_ft.MEDIA-0_ft.FONT-0_ft.HTML-0_ft.OTHER-0%22%7D "View JS assets") | `7.22MiB` (`+0.24%`) | `7.21MiB` | |   [IMG](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-0_ft.IMG-1_ft.MEDIA-0_ft.FONT-0_ft.HTML-0_ft.OTHER-0%22%7D "View IMG assets") | `2.46MiB` | `2.46MiB` | |   [CSS](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-1_ft.JS-0_ft.IMG-0_ft.MEDIA-0_ft.FONT-0_ft.HTML-0_ft.OTHER-0%22%7D "View CSS assets") | `319.75KiB` | `319.75KiB` | |   [Fonts](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-0_ft.IMG-0_ft.MEDIA-0_ft.FONT-1_ft.HTML-0_ft.OTHER-0%22%7D "View Fonts assets") | `93.55KiB` | `93.55KiB` | |   [Other](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-0_ft.IMG-0_ft.MEDIA-0_ft.FONT-0_ft.HTML-0_ft.OTHER-1%22%7D "View Other assets") | `17.53KiB` | `17.53KiB` | |   [HTML](https://app.relative-ci.com/projects/PUROh8FAVkDKmpUrqr4u/jobs/2541-aBYhqu2urW5bZPS0m1Ps/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-0_ft.IMG-0_ft.MEDIA-0_ft.FONT-0_ft.HTML-1_ft.OTHER-0%22%7D "View HTML assets") | `13.58KiB` | `13.58KiB` |

---

Bundle analysis report Branch mqtt-custom-topic Project dashboard