Use renamed functions in stylesheet.

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

@@ -44,7 +44,7 @@ namespace AzToolsFramework
         Q_PROPERTY(bool hasChildRows READ HasChildRows);
         Q_PROPERTY(bool isTopLevel READ IsTopLevel);
         Q_PROPERTY(int getLevel READ GetLevel);
-        Q_PROPERTY(bool isSectionSeparator READ IsSectionSeparator);
+        Q_PROPERTY(bool canBeReordered READ CanBeReordered);
         Q_PROPERTY(bool appendDefaultLabelToName READ GetAppendDefaultLabelToName WRITE AppendDefaultLabelToName)
     public:
         AZ_CLASS_ALLOCATOR(PropertyRowWidget, AZ::SystemAllocator, 0)

Code/Sandbox/Editor/Style/Editor.qss

@@ -38,7 +38,7 @@ AzToolsFramework--ComponentPaletteWidget > QTreeView
     background-color: #222222;
 }
 
-AzToolsFramework--PropertyRowWidget[isSectionSeparator="true"]  QLabel#Name
+AzToolsFramework--PropertyRowWidget[canBeReordered="true"]  QLabel#Name
 {
     font-weight: bold;
 }