Feat/error boundaries (#2779)

* - Changed to objectNameSingular always defined
- Added ErrorCatchAll

* - Added mock mode for companies logged out
- Added a proper ErrorBoundary component

* Removed react-error-boundary

* Implemented proper ErrorBoundary

* Fixes

* Change strategy about mocks

---------

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

front/src/modules/error-handler/components/GenericErrorFallback.tsx

@@ -0,0 +1,26 @@
+import { FallbackProps } from 'react-error-boundary';
+
+type GenericErrorFallbackProps = FallbackProps;
+
+export const GenericErrorFallback = ({
+  error,
+  resetErrorBoundary,
+}: GenericErrorFallbackProps) => {
+  return (
+    <div
+      style={{
+        color: 'red',
+        display: 'flex',
+        flexDirection: 'column',
+        gap: '20px',
+        alignItems: 'center',
+        justifyContent: 'center',
+        width: '100%',
+        height: '100%',
+      }}
+    >
+      <div>{error.message}</div>
+      <button onClick={() => resetErrorBoundary()}>Retry</button>
+    </div>
+  );
+};