[CHORE] Avoid isDefined duplicated reference, move it to twenty-shared (#9967)

# Introduction
Avoid having multiple `isDefined` definition across our pacakges
Also avoid importing `isDefined` from `twenty-ui` which exposes a huge
barrel for a such little util function

## In a nutshell
Removed own `isDefined.ts` definition from `twenty-ui` `twenty-front`
and `twenty-server` to move it to `twenty-shared`.
Updated imports for each packages, and added explicit dependencies to
`twenty-shared` if not already in place

Related PR https://github.com/twentyhq/twenty/pull/9941

packages/twenty-front/src/modules/chrome-extension-sidecar/components/ChromeExtensionSidecarEffect.tsx

@@ -5,7 +5,7 @@ import { useRecoilValue, useSetRecoilState } from 'recoil';
 import { tokenPairState } from '@/auth/states/tokenPairState';
 import { isLoadingTokensFromExtensionState } from '@/chrome-extension-sidecar/states/isLoadingTokensFromExtensionState';
 import { chromeExtensionIdState } from '@/client-config/states/chromeExtensionIdState';
-import { isDefined } from '~/utils/isDefined';
+import { isDefined } from 'twenty-shared';
 import { isInFrame } from '~/utils/isInIframe';
 
 export const ChromeExtensionSidecarEffect = () => {