[PowerRename] Handle many items w/o crashing and OOM (#26761)

* [PowerRename] Disable AnimatedIcon (check mark) for CheckBox to prevent crashes
* [PowerRename] Implement lightweight ExplorerItemsSource/VM

src/modules/powerrename/lib/Renaming.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <PowerRenameInterfaces.h>
+
+bool DoRename(CComPtr<IPowerRenameRegEx>& spRenameRegEx, unsigned long& itemEnumIndex, CComPtr<IPowerRenameItem>& spItem);