Fix send email error when empty connected account (#10005)

- Fix send email error when empty connected account
- Add a global util to valid uuid
- Add an util to check if object is workflow related

packages/twenty-shared/src/utils/strings/isValidUuid.util.ts

@@ -0,0 +1,5 @@
+export const isValidUuid = (value: string) => {
+  return /^[0-9A-F]{8}-[0-9A-F]{4}-[4][0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i.test(
+    value,
+  );
+};