Added new TempJobAllocator

Added new AllocationHandle property in Stack.Scope.

Changed the ref AllocationHandle constructor parameter to AllocationHandle on of all UnsafeCollection types
Removed Allocator.Stack. Use Stack.Scope.AllocationHandle to allocate on stack instead.

Misaki.HighPerformance.LowLevel/Buffer/DynamicArena.cs

@@ -47,6 +47,8 @@ public unsafe struct DynamicArena : IDisposable
         _root->arena = new Arena(initialSize);
         _root->next = null;
         _current = _root;
+
+        _nodeCreationLock = 0;
     }
 
     private bool TryCreateNewNode(nuint size)
@@ -165,4 +167,4 @@ public unsafe struct DynamicArena : IDisposable
         _root = null;
         _current = null;
     }
-}
+}