Revived SharedImplicitsAttribute to correctly handle the type change.
Undid breaking of old assets on load.
Removed const casting from dynamic collection initialization and safely handle attribute upgrades during geometry collection serialization.
Fixed attempted copies of managed attributes of different types.
#rb Brice.Criswell
#jira
#ROBOMERGE-SOURCE: CL 12125198 in //UE4/Release-4.25/... via CL 12125214
#ROBOMERGE-BOT: RELEASE (Release-4.25Plus -> Main) (v659-12123632)
[CL 12140098 by benn gallagher in Main branch]
#rnx
#rb none
#ROBOMERGE-OWNER: ryan.durand
#ROBOMERGE-AUTHOR: ryan.durand
#ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900
#ROBOMERGE-BOT: (v613-10869866)
[CL 10870549 by ryan durand in Main branch]
#rb none
#jira ue-75850
#lockdown nick.penwarden
#ROBOMERGE-SOURCE: CL 8069683 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v400-8057353)
[CL 8069685 by michael lentine in Main branch]