Revert "Delay propagation for all template updates in detach prefab workflow (#4707)"

This reverts commit 87533d80c1.

Signed-off-by: srikappa-amzn <srikappa@amazon.com>

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp

@@ -1051,10 +1051,10 @@ namespace AzToolsFramework
                 DuplicateNestedEntitiesInInstance(commonOwningInstance->get(),
                     entities, instanceDomAfter, duplicatedEntityAndInstanceIds, duplicateEntityAliasMap);
 
-                PrefabUndoInstance* command = aznew PrefabUndoInstance("Entity/Instance duplication", false);
+                PrefabUndoInstance* command = aznew PrefabUndoInstance("Entity/Instance duplication");
                 command->SetParent(undoBatch.GetUndoBatch());
                 command->Capture(instanceDomBefore, instanceDomAfter, commonOwningInstance->get().GetTemplateId());
-                command->Redo();
+                command->RedoBatched();
 
                 DuplicateNestedInstancesInInstance(commonOwningInstance->get(),
                     instances, instanceDomAfter, duplicatedEntityAndInstanceIds, newInstanceAliasToOldInstanceMap);
@@ -1322,7 +1322,7 @@ namespace AzToolsFramework
                     Prefab::PrefabDom instanceDomAfter;
                     m_instanceToTemplateInterface->GenerateDomForInstance(instanceDomAfter, parentInstance);
 
-                    PrefabUndoInstance* command = aznew PrefabUndoInstance("Instance detachment", false);
+                    PrefabUndoInstance* command = aznew PrefabUndoInstance("Instance detachment");
                     command->Capture(instanceDomBefore, instanceDomAfter, parentTemplateId);
                     command->SetParent(undoBatch.GetUndoBatch());
                     {

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabUndo.cpp

@@ -17,16 +17,17 @@ namespace AzToolsFramework
     {
         PrefabUndoBase::PrefabUndoBase(const AZStd::string& undoOperationName)
             : UndoSystem::URSequencePoint(undoOperationName)
+            , m_changed(true)
+            , m_templateId(InvalidTemplateId)
         {
             m_instanceToTemplateInterface = AZ::Interface<InstanceToTemplateInterface>::Get();
             AZ_Assert(m_instanceToTemplateInterface, "Failed to grab instance to template interface");
         }
 
         //PrefabInstanceUndo
-        PrefabUndoInstance::PrefabUndoInstance(const AZStd::string& undoOperationName, bool useImmediatePropagation)
+        PrefabUndoInstance::PrefabUndoInstance(const AZStd::string& undoOperationName)
             : PrefabUndoBase(undoOperationName)
         {
-            m_useImmediatePropagation = useImmediatePropagation;
         }
 
         void PrefabUndoInstance::Capture(
@@ -42,12 +43,17 @@ namespace AzToolsFramework
 
         void PrefabUndoInstance::Undo()
         {
-            m_instanceToTemplateInterface->PatchTemplate(m_undoPatch, m_templateId, m_useImmediatePropagation);
+            m_instanceToTemplateInterface->PatchTemplate(m_undoPatch, m_templateId, true);
         }
 
         void PrefabUndoInstance::Redo()
         {
-            m_instanceToTemplateInterface->PatchTemplate(m_redoPatch, m_templateId, m_useImmediatePropagation);
+            m_instanceToTemplateInterface->PatchTemplate(m_redoPatch, m_templateId, true);
+        }
+
+        void PrefabUndoInstance::RedoBatched()
+        {
+            m_instanceToTemplateInterface->PatchTemplate(m_redoPatch, m_templateId);
         }
 
 

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabUndo.h

@@ -29,15 +29,14 @@ namespace AzToolsFramework
             bool Changed() const override { return m_changed; }
 
         protected:
-            TemplateId m_templateId = InvalidTemplateId;
+            TemplateId m_templateId;
 
             PrefabDom m_redoPatch;
             PrefabDom m_undoPatch;
 
             InstanceToTemplateInterface* m_instanceToTemplateInterface = nullptr;
 
-            bool m_changed = true;
-            bool m_useImmediatePropagation = true;
+            bool m_changed;
         };
 
         //! handles the addition and removal of entities from instances
@@ -45,7 +44,7 @@ namespace AzToolsFramework
             : public PrefabUndoBase
         {
         public:
-            explicit PrefabUndoInstance(const AZStd::string& undoOperationName, bool useImmediatePropagation = true);
+            explicit PrefabUndoInstance(const AZStd::string& undoOperationName);
 
             void Capture(
                 const PrefabDom& initialState,
@@ -54,6 +53,7 @@ namespace AzToolsFramework
 
             void Undo() override;
             void Redo() override;
+            void RedoBatched();
         };
 
         //! handles entity updates, such as when the values on an entity change

Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabUndoHelpers.cpp

@@ -23,10 +23,10 @@ namespace AzToolsFramework
                 PrefabDom instanceDomAfterUpdate;
                 PrefabDomUtils::StoreInstanceInPrefabDom(instance, instanceDomAfterUpdate);
 
-                PrefabUndoInstance* state = aznew Prefab::PrefabUndoInstance(undoMessage, false);
+                PrefabUndoInstance* state = aznew Prefab::PrefabUndoInstance(undoMessage);
                 state->Capture(instanceDomBeforeUpdate, instanceDomAfterUpdate, instance.GetTemplateId());
                 state->SetParent(undoBatch);
-                state->Redo();
+                state->RedoBatched();
             }
 
             LinkId CreateLink(