Made change affect all modifiable containers.

Code/Framework/AzCore/AzCore/Serialization/EditContextConstants.inl

@@ -62,8 +62,6 @@ namespace AZ
             const static AZ::Crc32 ButtonTooltip = AZ_CRC("ButtonTooltip", 0x1605a7d2);
             const static AZ::Crc32 CheckboxTooltip = AZ_CRC("CheckboxTooltip", 0x1159eb78);
             const static AZ::Crc32 CheckboxDefaultValue = AZ_CRC("CheckboxDefaultValue", 0x03f117e6);
-            //! Emboldens the text and adds a line above this item within the RPE.
-            const static AZ::Crc32 RPESectionSeparator = AZ_CRC("RPESectionSeparator", 0xc6249a95); 
             //! Affects the display order of a node relative to it's parent/children.  Higher values display further down (after) lower values.  Default is 0, negative values are allowed.  Must be applied as an attribute to the EditorData element
             const static AZ::Crc32 DisplayOrder = AZ_CRC("DisplayOrder", 0x23660ec2);
             //! Specifies whether the UI should support multi-edit for aggregate instances of this property

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyRowWidget.cpp

@@ -315,8 +315,6 @@ namespace AzToolsFramework
                 }
             }
 
-            m_isSectionSeparator = false;
-
             RefreshAttributesFromNode(true);
 
             // --------------------- HANDLER discovery:
@@ -962,10 +960,6 @@ namespace AzToolsFramework
         {
             HandleChangeNotifyAttribute(reader, m_sourceNode ? m_sourceNode->GetParent() : nullptr, m_editingCompleteNotifiers);
         }
-        else if (attributeName == AZ::Edit::Attributes::RPESectionSeparator)
-        {
-            m_isSectionSeparator = true;
-        }
     }
 
     void PropertyRowWidget::SetReadOnlyQueryFunction(const ReadOnlyQueryFunction& readOnlyQueryFunction)
@@ -1340,7 +1334,7 @@ namespace AzToolsFramework
 
     bool PropertyRowWidget::IsSectionSeparator() const
     {
-        return m_isSectionSeparator;
+        return CanBeReordered();
     }
 
     bool PropertyRowWidget::GetAppendDefaultLabelToName()
@@ -1686,6 +1680,20 @@ namespace AzToolsFramework
         m_nameLabel->setFilter(m_currentFilterString);
     }
 
+    bool PropertyRowWidget::CanChildrenBeReordered() const
+    {
+        return m_containerEditable;
+    }
+
+    bool PropertyRowWidget::CanBeReordered() const
+    {
+        if (!m_parentRow)
+        {
+            return false;
+        }
+
+        return m_parentRow->CanChildrenBeReordered();
+    }
 }
 
 #include "UI/PropertyEditor/moc_PropertyRowWidget.cpp"

Code/Framework/AzToolsFramework/AzToolsFramework/UI/PropertyEditor/PropertyRowWidget.hxx

@@ -149,6 +149,9 @@ namespace AzToolsFramework
         QLabel* GetNameLabel() { return m_nameLabel; }
         void SetIndentSize(int w);
         void SetAsCustom(bool custom) { m_custom = custom; }
+
+        bool CanChildrenBeReordered() const;
+        bool CanBeReordered() const;
     protected:
         int CalculateLabelWidth() const;
 
@@ -232,8 +235,6 @@ namespace AzToolsFramework
         int m_treeIndentation = 14;
         int m_leafIndentation = 16;
 
-        bool m_isSectionSeparator = false;
-
         QIcon m_iconOpen;
         QIcon m_iconClosed;