Arrays on multicast events called from the server are not passed to clients

Arrays that are passed into a Multicast Event as an input are not available on clients who call the function

Regression?: Yes
This did not occur in 4.19.2

1. Download the attached project
2. Ensure that the option for "Run Dedicated Server" under the PIE settings is enabled
3. Press play
   Result: Both Server and Client prints. Server prints the length of the array (2) while the client prints 0
   Expected: Both Server and Client prints, with the same value