Migrate to twenty-ui - input/button (#7994)

This PR was created by [GitStart](https://gitstart.com/) to address the
requirements from this ticket:
[TWNTY-7529](https://clients.gitstart.com/twenty/5449/tickets/TWNTY-7529).

 --- 

### Description

- Migrated all button components to `twenty-ui`    \
  \
  `Button`\
  `ButtonGroup`\
  `ColorPickerButton`\
  `FloatingButton`\
  `FloatingButtonGroup`\
  `FloatingIconButton`\
  `FloatingIconButtonGroup`\
  `IconButton`\
  `IconButtonGroup`\
  `LightButton`\
  `LightIconButton`\
  `LightIconButtonGroup`\
  `MainButton`\
  \
  Fixes twentyhq/private-issues#89

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-front/src/modules/activities/files/components/AttachmentDropdown.tsx

@@ -3,9 +3,9 @@ import {
   IconDownload,
   IconPencil,
   IconTrash,
+  LightIconButton,
 } from 'twenty-ui';
 
-import { LightIconButton } from '@/ui/input/button/components/LightIconButton';
 import { Dropdown } from '@/ui/layout/dropdown/components/Dropdown';
 import { DropdownMenu } from '@/ui/layout/dropdown/components/DropdownMenu';
 import { DropdownMenuItemsContainer } from '@/ui/layout/dropdown/components/DropdownMenuItemsContainer';

packages/twenty-front/src/modules/activities/files/components/Attachments.tsx

@@ -6,6 +6,7 @@ import {
   AnimatedPlaceholderEmptySubTitle,
   AnimatedPlaceholderEmptyTextContainer,
   AnimatedPlaceholderEmptyTitle,
+  Button,
   EMPTY_PLACEHOLDER_TRANSITION_PROPS,
   IconPlus,
 } from 'twenty-ui';
@@ -16,7 +17,6 @@ import { DropZone } from '@/activities/files/components/DropZone';
 import { useAttachments } from '@/activities/files/hooks/useAttachments';
 import { useUploadAttachmentFile } from '@/activities/files/hooks/useUploadAttachmentFile';
 import { ActivityTargetableObject } from '@/activities/types/ActivityTargetableEntity';
-import { Button } from '@/ui/input/button/components/Button';
 import { isDefined } from '~/utils/isDefined';
 
 const StyledAttachmentsContainer = styled.div`