Preserve context flag when comitting BPlusTree

Author: jedelbo

src/realm/array.hpp

@@ -556,10 +556,10 @@ class Array : public Node, public ArrayParent {
 
 class TempArray : public Array {
 public:
-    TempArray(size_t sz, Type type = Type::type_HasRefs)
+    TempArray(size_t sz, Type type = Type::type_HasRefs, bool cf = false)
         : Array(Allocator::get_default())
     {
-        create(type, false, sz);
+        create(type, cf, sz);
     }
     ~TempArray()
     {

src/realm/bplustree.cpp

@@ -847,7 +847,7 @@ ref_type BPlusTreeBase::typed_write(ref_type ref, _impl::ArrayWriterBase& out, A
     Array node(alloc);
     node.init_from_ref(ref);
     REALM_ASSERT_DEBUG(node.has_refs());
-    TempArray written_node(node.size(), NodeHeader::type_InnerBptreeNode);
+    TempArray written_node(node.size(), NodeHeader::type_InnerBptreeNode, node.get_context_flag());
     for (unsigned j = 0; j < node.size(); ++j) {
         RefOrTagged rot = node.get_as_ref_or_tagged(j);
         if (rot.is_ref() && rot.get_as_ref()) {