fix: SyncVarGameObject/NetworkIdentityEqual not being accessible by w…

…eaved NetworkBehaviour components from outside assemblies

fix: only IEnumerable SyncObjects are drawn as SyncObject Collections…

… in Inspector now.

previously SyncVar<T> SyncObject would've been drawn as a list too.

Make `NetworkConnection.observing` public (MirrorNetworking#2942)

- NetworkIdentity.observers is already public

Weaver: SyncVarProcessor renamed to SyncVarAttributeProcessor

NetworkBehaviour.HasSyncObjects: internal is enough

explain SyncVar hook guard

feat: Implemented ChangeOwnerMessage (MirrorNetworking#2924)

* Implemented ChangeOwnerMessage
- Separates ownership change from Spawn message
- NetworkIdentityTests updated

* commented log

fix: Obsolete SyncObject Flush method (MirrorNetworking#2931)

* fix: Obsolete SyncObject Flush method

* fixed test

feature: Tanks demo health bars to test [SyncVar]s

perf: NetworkServer.Broadcast O(N) spawned iteration removed. dirty b…

…its for spawned without observers are now cleared when adding the first observer instead (MirrorNetworking#2923)

* change test to add observer

* perf: NetworkServer.Broadcast O(N) 'remove dirty bits for all spawned entities without observers' loop removed. AddObserver clears them instead if we had no observers before.

* don't need this anymore

* set syncobj.recording

* oops

* not a TODO anymore

* fix test

* fix test

* fix test

* fix tests

* fix test

* fix tests