Fix cloned rsx double drop (#2839)

* Implement Rc generational pointers

* Clean up error handling a bit

* start adding tests

* Simplify a few types

* Separate Rc and normal generational boxes

* Add tests for rc drop and read

* Move over the pointer instead of the data in ReadOnlySignal props

* Fix panic on ref drop and release mode builds

* final rc signal cleanup

* use rc generational boxes for event handlers as well

* add a regression test for read only signal cloning

* merge main

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Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/generational-box/Cargo.toml

@@ -11,6 +11,7 @@ keywords = ["generational", "box", "memory", "allocator"]
 
 [dependencies]
 parking_lot = "0.12.1"
+tracing.workspace = true
 
 [dev-dependencies]
 rand = { workspace = true }