Cleanup SerializeContext.h pt.1 (#4264)

* Remove AssetSerializer inclusion from SerializeContext header

Moved a few Reflect methods to new cpp files.

In addition, some preparations for further header dependency reductions.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Fix smoke test lua failures.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Windows build fixes.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Missing license headers

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Fix white-space issues.

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Code review fix for AzToolsFramework/AssetEditor/AssetEditorBus.h

Co-authored-by: lumberyard-employee-dm <56135373+lumberyard-employee-dm@users.noreply.github.com>
Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

* Fix inheritance list wrapping broken by older clang-format

Signed-off-by: nemerle <96597+nemerle@users.noreply.github.com>

Co-authored-by: lumberyard-employee-dm <56135373+lumberyard-employee-dm@users.noreply.github.com>

Gems/PythonAssetBuilder/Code/Source/PythonBuilderWorker.cpp

@@ -8,6 +8,7 @@
 
 #include <PythonBuilderWorker.h>
 
+#include <AzCore/RTTI/BehaviorContext.h>
 #include <AzCore/std/smart_ptr/make_shared.h>
 #include <AzToolsFramework/API/EditorPythonConsoleBus.h>
 #include <Source/PythonAssetBuilderSystemComponent.h>
@@ -56,7 +57,7 @@ namespace PythonAssetBuilder
         {
             this->ProcessJob(request, response);
         };
-        
+
         // connect to the shutdown signal handler
         AssetBuilderCommandBus::Handler::BusConnect(m_assetBuilderDesc->m_busId);