Fix TValueBuilderBase constructors (#21012)

Author: eivanov89

.github/last_commit.txt

@@ -1 +1 @@
-cdad0889aa2f47f9cde997deae6f682eced20873
+2378fba9f99efb178b5c8a2c986bb6a4b754402b

include/ydb-cpp-sdk/client/value/value.h

@@ -530,7 +530,8 @@ class TValueBuilderBase : public TMoveOnly {
 protected:
     TValueBuilderBase(TValueBuilderBase&&);
 
-    TValueBuilderBase(google::protobuf::Arena* arena = nullptr);
+    TValueBuilderBase();
+    explicit TValueBuilderBase(google::protobuf::Arena* arena);
 
     TValueBuilderBase(const TType& type);
 

src/client/value/value.cpp

@@ -2842,6 +2842,10 @@ TValueBuilderBase<TDerived>::TValueBuilderBase(TValueBuilderBase&&) = default;
 template<typename TDerived>
 TValueBuilderBase<TDerived>::~TValueBuilderBase() = default;
 
+template<typename TDerived>
+TValueBuilderBase<TDerived>::TValueBuilderBase()
+    : Impl_(new TValueBuilderImpl()) {}
+
 template<typename TDerived>
 TValueBuilderBase<TDerived>::TValueBuilderBase(google::protobuf::Arena* arena)
     : Impl_(new TValueBuilderImpl(arena)) {}