refactor(icones): supprime l'ancien composant Icon pour afficher une icone

[vmaubert]

• [ ] Sur la page d'une administrations, on peut tjrs consulté les permissions
• [ ] On voit l'icone pour ouvrir/fermer les filtres sur la page des titres
• [ ] Dans les filtres des démarches, le bouton pour ajouter un type d'étape tout en bas est joli

[codecov-commenter]

Codecov Report

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

Project coverage is 79.45%. Comparing base (ff0b46a) to head (038bb3f).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1267 +/- ## ========================================== - Coverage 79.48% 79.45% -0.04% ========================================== Files 772 770 -2 Lines 92666 92497 -169 Branches 6357 6349 -8 ========================================== - Hits 73654 73490 -164 + Misses 18883 18878 -5 Partials 129 129 ``` | [Flag](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | Coverage Δ | | |---|---|---| | [api](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | `74.37% <ø> (ø)` | | | [api-integration](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | `67.26% <ø> (ø)` | | | [api-unit](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | `33.94% <ø> (ø)` | | | [common](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | `95.57% <ø> (ø)` | | | [ui](https://app.codecov.io/gh/MTES-MCT/camino/pull/1267/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT) | `76.09% <100.00%> (-0.10%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MTES-MCT#carryforward-flags-in-the-pull-request-comment) to find out more.

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