message: Show spinner when wallet sync state is undetermined / fix
diff: @@ -551,6 +551,8 @@ void SpectreGUI::setNumBlocks(int count, int nTotalBlocks)
  return;
  }
  + fConnectionInit = false;
  +
  // -- translation (tr()) makes it difficult to neatly pick block/header
  static QString sBlockType = nNodeMode == NT_FULL ? tr("block") : tr("header");
  static QString sBlockTypeMulti = nNodeMode == NT_FULL ? tr("blocks") : tr("headers");
  