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/spreadsheet-import/components/ModalCloseButton.tsx

@@ -1,10 +1,9 @@
 import styled from '@emotion/styled';
-import { IconX } from 'twenty-ui';
+import { IconButton, IconX } from 'twenty-ui';
 
 import { useSpreadsheetImportInitialStep } from '@/spreadsheet-import/hooks/useSpreadsheetImportInitialStep';
 import { useSpreadsheetImportInternal } from '@/spreadsheet-import/hooks/useSpreadsheetImportInternal';
 import { useDialogManager } from '@/ui/feedback/dialog-manager/hooks/useDialogManager';
-import { IconButton } from '@/ui/input/button/components/IconButton';
 import { useStepBar } from '@/ui/navigation/step-bar/hooks/useStepBar';
 
 const StyledCloseButtonContainer = styled.div`

packages/twenty-front/src/modules/spreadsheet-import/components/StepNavigationButton.tsx

@@ -1,7 +1,7 @@
 import styled from '@emotion/styled';
 
 import { CircularProgressBar } from '@/ui/feedback/progress-bar/components/CircularProgressBar';
-import { MainButton } from '@/ui/input/button/components/MainButton';
+import { MainButton } from 'twenty-ui';
 
 import { Modal } from '@/ui/layout/modal/components/Modal';
 import { isUndefinedOrNull } from '~/utils/isUndefinedOrNull';