Fixed many dropdown bugs (#8256)

Many dropdown bugs have been fixed, more refactoring is needed.

Dropdown fixed : 
- Filter select
- Sort select
- Visible field select
- Hidden field select
- Multi item picker (phones, links, emails, etc.)
- Phone country select

packages/twenty-front/src/modules/ui/layout/dropdown/components/DropdownMenu.tsx

@@ -23,10 +23,10 @@ const StyledDropdownMenu = styled.div<{
 
   display: flex;
 
+  height: 100%;
+
   flex-direction: column;
   z-index: 30;
-  overflow-y: auto;
-  overflow-x: hidden;
   width: ${({ width = 160 }) =>
     typeof width === 'number' ? `${width}px` : width};
 `;