qt: Move SplashFinished to after ClientModel/WalletModel creation

With a large wallet there was a noticable gap between hiding of the
splash and showing the main window.

src/qt/bitcoin.cpp

@@ -406,8 +406,6 @@ void BitcoinApplication::initializeResult(int retval)
         paymentServer->setOptionsModel(optionsModel);
 #endif
 
-        emit splashFinished(window);
-
         clientModel = new ClientModel(optionsModel);
         window->setClientModel(clientModel);
 
@@ -424,6 +422,8 @@ void BitcoinApplication::initializeResult(int retval)
         }
 #endif
 
+        emit splashFinished(window);
+
         // If -min option passed, start window minimized.
         if(GetBoolArg("-min", false))
         {