Merge bitcoin-core/gui#701: Persist Mask Values option

4de02def84 qt: Persist Mask Values option (Andrew Chow)

Pull request description:

  The mask values option is memory only. If a user has enabled this option, it's reasonable to expect that they would want to have it enabled on the next start.

ACKs for top commit:
  RandyMcMillan:
    tACK https://github.com/bitcoin-core/gui/commit/4de02def844102c08b65bf1311a333e7aca482b9
  jarolrod:
    tACK 4de02def84
  pablomartin4btc:
    > tACK [4de02de](https://github.com/bitcoin-core/gui/commit/4de02def844102c08b65bf1311a333e7aca482b9)
  john-moffett:
    tACK 4de02def84

Tree-SHA512: 247deb78df4911516625bf8b25d752feb480ce30eb31335cf9baeb07b7c6c225fcc37d5c45de62d6e6895ec10c7eefabb15527e3c9723a3b8ddda1e12ebbf46b

src/qt/overviewpage.cpp

@@ -173,6 +173,7 @@ void OverviewPage::handleTransactionClicked(const QModelIndex &index)
 void OverviewPage::setPrivacy(bool privacy)
 {
     m_privacy = privacy;
+    clientModel->getOptionsModel()->setOption(OptionsModel::OptionID::MaskValues, privacy);
     const auto& balances = walletModel->getCachedBalance();
     if (balances.balance != -1) {
         setBalance(balances);