Fixes & Minor refactor of validation/autoupdate to support native node classes properly post composition/preset support changes
#rb phil.popp
[FYI] sondra.moyls
#preflight 611162780182eb0001daa982
#ROBOMERGE-SOURCE: CL 17106014 via CL 17106199
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v854-17104634)
[CL 17106241 by rob gay in ue5-release-engine-test branch]
- Implementing a random get array node which retrieves a random element from an array given a supplied weights array
- Pipe down new metasound environment variable for the USoundBase UniqueObjectID to use as a key for shared data across instances of a metasound
#rb
#jira
#preflight 604f94eb85422300012bbcea
#ROBOMERGE-SOURCE: CL 15698615 in //UE5/Release-5.0-EarlyAccess/...
#ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v781-15675533)
[CL 15698625 by aaron mcleran in ue5-main branch]
- Added ArrayGet, ArraySet, ArraySlice, and ArrayConcat nodes
- Array nodes are automatically registered with new data types.
- Moved FTrigger and FTime to MetasoundFrontend module because they are needed for array node registration.
- Added array node unit test
#jira UEAU-713
#rb rob.gay
#ROBOMERGE-SOURCE: CL 15476706 in //UE5/Release-5.0-EarlyAccess/...
#ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v771-15082668)
[CL 15476740 by phil popp in ue5-main branch]
