accessibility: make dropdowns accessible (#9475)

#### Motivation

Improve accessibility of dropdowns.

#### Before

Dropdowns are not accessible.

<img width="1219" alt="Screenshot 2025-01-09 at 10 00 36"
src="https://github.com/user-attachments/assets/060198f8-a42f-408c-a39a-b83da55e23c4"
/>

#### Ater

Dropdowns are accessible


![image](https://github.com/user-attachments/assets/e46d6292-913c-458b-acd4-37ed4e1a1e9b)

packages/twenty-front/src/modules/ui/input/components/internal/currency/components/CurrencyPickerDropdownSelect.tsx

@@ -37,6 +37,7 @@ export const CurrencyPickerDropdownSelect = ({
         value={searchFilter}
         onChange={(event) => setSearchFilter(event.target.value)}
         autoFocus
+        role="combobox"
       />
       <DropdownMenuSeparator />
       <DropdownMenuItemsContainer hasMaxHeight>