[Look&feel] [Test] Add tests for the Select, CustomOptions and DropdownIndicator components

[GuillaumeKESTEMAN]

The Look and Feel Select, CustomOptions and DropdownIndicator components have no tests.
They should be covered.

File to cover :

• client\look-and-feel\react\src\Form\Select\Select.tsx
• client\look-and-feel\react\src\Form\Select\CustomOption.tsx
• client\look-and-feel\react\src\Form\Select\DropdownIndicator.tsx

Links

Sonar : https://sonarcloud.io/component_measures?metric=coverage&selected=AxaFrance_design-system%3Alook-and-feel%2Freact%2Fsrc%2FForm%2FSelect&id=AxaFrance_design-system

Figma : https://www.figma.com/design/vwprvN2ELfI50pjU6MK1Ea/Design-System-B2C?node-id=146-8134&t=sDXj8PiYmERkstwH-4

[pavannani99]

PR submitted: #880

[GuillaumeKESTEMAN]

PR submitted: #880

Your PR doesn't fit to this issue i think.
This issue ask to add tests to the Select files, your PR is related to adding a new SVG icon.