Lucas/t 231 timebox i can create a company at the same time im creating (#140)

This PR is a bit messy:

adding graphql schema
adding create company creation on company select on People page
some frontend refactoring to be continued

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

front/src/components/editable-cell/EditableDate.tsx

@@ -1,6 +1,6 @@
 import styled from '@emotion/styled';
 import { forwardRef, useState } from 'react';
-import EditableCellWrapper from './EditableCellWrapper';
+import { EditableCell } from './EditableCell';
 import DatePicker from '../form/DatePicker';
 import { modalBackground } from '../../layout/styles/themes';
 import { humanReadableDate } from '../../services/utils';
@@ -57,7 +57,7 @@ function EditableDate({
   };
 
   return (
-    <EditableCellWrapper
+    <EditableCell
       isEditMode={isEditMode}
       onOutsideClick={() => setIsEditMode(false)}
       onInsideClick={() => setIsEditMode(true)}
@@ -80,7 +80,7 @@ function EditableDate({
           <div>{inputValue && humanReadableDate(inputValue)}</div>
         </StyledContainer>
       }
-    ></EditableCellWrapper>
+    ></EditableCell>
   );
 }