Fix IAssetFactory::Get() in plugins on Linux.

Source/Engine/Content/Content.cpp

@@ -912,6 +912,8 @@ bool Content::IsAssetTypeIdInvalid(const ScriptingTypeHandle& type, const Script
     return true;
 }
 
+Dictionary<StringView, IAssetFactory*> IAssetFactory::Factories;
+
 Asset* Content::LoadAsync(const Guid& id, const ScriptingTypeHandle& type)
 {
     if (!id.IsValid())

Source/Engine/Content/Factories/IAssetFactory.h

@@ -16,13 +16,13 @@ class FLAXENGINE_API IAssetFactory
 {
 public:
     typedef Dictionary<StringView, IAssetFactory*> Collection;
+    static Collection Factories;
 
     /// <summary>
     /// Gets the all registered assets factories. Key is asset typename, value is the factory object.
     /// </summary>
     static Collection& Get()
     {
-        static Collection Factories(1024);
         return Factories;
     }