message: Add a lock cs_desc_man for DescriptorScriptPubKeyMan
diff: @@ -487,6 +487,8 @@ class DescriptorScriptPubKeyMan : public ScriptPubKeyMan
  public:
  using ScriptPubKeyMan::ScriptPubKeyMan;
  + mutable RecursiveMutex cs_desc_man;
  +
  bool GetNewDestination(const OutputType type, CTxDestination& dest, std::string& error) override;
  isminetype IsMine(const CScript& script) const override;
  