Optimize VariantType to use static type name in game or from non-reloadable assemblies

This avoids many dynamic memory allocations in Visual Scripts and Anim Graph.

#

Source/Engine/Scripting/ManagedCLR/MAssembly.h

@@ -34,6 +34,7 @@ private:
 
     int32 _isLoaded : 1;
     int32 _isLoading : 1;
+    int32 _canReload : 1;
     mutable int32 _hasCachedClasses : 1;
 
     mutable ClassesDictionary _classes;
@@ -125,6 +126,14 @@ public:
         return _isLoaded != 0;
     }
 
+    /// <summary>
+    /// Returns true if assembly can be hot-reloaded at runtime. For example, in Editor after scripts recompilation. Some assemblies such as engine and class library modules are static.
+    /// </summary>
+    FORCE_INLINE bool CanReload() const
+    {
+        return USE_EDITOR && _canReload;
+    }
+
     /// <summary>
     /// Gets the assembly name.
     /// </summary>

Source/Engine/Scripting/ManagedCLR/MCore.cpp

@@ -45,6 +45,7 @@ MAssembly::MAssembly(MDomain* domain, const StringAnsiView& name)
     : _domain(domain)
     , _isLoaded(false)
     , _isLoading(false)
+    , _canReload(true)
     , _hasCachedClasses(false)
     , _reloadCount(0)
     , _name(name)
@@ -59,6 +60,7 @@ MAssembly::MAssembly(MDomain* domain, const StringAnsiView& name, const StringAn
     , _domain(domain)
     , _isLoaded(false)
     , _isLoading(false)
+    , _canReload(true)
     , _hasCachedClasses(false)
     , _reloadCount(0)
     , _name(name)