fix(manuscript-manager): add proper signature name

packages/component-helper-service/src/services/User.js

@@ -72,7 +72,9 @@ class User {
 
   async getEiCName() {
     const editorsInChief = await this.getEditorsInChief()
-    const { firstName, lastName } = editorsInChief[0]
+    const firstName = get(editorsInChief, '0.firstName', 'Editor')
+    const lastName = get(editorsInChief, '0.lastName', 'in Chief')
+
     return `${firstName} ${lastName}`
   }
 }