monero-gui: fix missing qml imports

pkgs/applications/altcoins/monero-gui/default.nix

@@ -2,8 +2,8 @@
 , makeWrapper, makeDesktopItem
 , qtbase, qmake, qtmultimedia, qttools
 , qtgraphicaleffects, qtdeclarative
-, qtlocation, qtquickcontrols2, qtwebchannel
+, qtlocation, qtquickcontrols, qtquickcontrols2
-, qtwebengine, qtx11extras, qtxmlpatterns
+, qtwebchannel, qtwebengine, qtx11extras, qtxmlpatterns
 , monero, unbound, readline, boost, libunwind
 , libsodium, pcsclite, zeromq, cppzmq, pkgconfig
 , hidapi
@@ -11,6 +11,18 @@
 
 with stdenv.lib;
 
+let
+  qmlPath = qmlLib: "${qmlLib}/${qtbase.qtQmlPrefix}";
+
+  qml2ImportPath = concatMapStringsSep ":" qmlPath [
+    qtbase.bin qtmultimedia.bin qtgraphicaleffects
+    qtdeclarative.bin qtlocation.bin
+    qtquickcontrols qtquickcontrols2.bin
+    qtwebchannel.bin qtwebengine.bin qtxmlpatterns
+  ];
+
+in
+
 stdenv.mkDerivation rec {
   name = "monero-gui-${version}";
   version = "0.14.0.0";
@@ -26,7 +38,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     qtbase qtmultimedia qtgraphicaleffects
-    qtdeclarative qtlocation qtquickcontrols2
+    qtdeclarative qtlocation
+    qtquickcontrols qtquickcontrols2
     qtwebchannel qtwebengine qtx11extras
     qtxmlpatterns monero unbound readline
     boost libunwind libsodium pcsclite zeromq
@@ -81,6 +94,11 @@ stdenv.mkDerivation rec {
       cp $src/images/appicons/$size.png \
          $out/share/icons/hicolor/$size/apps/monero.png
     done;
+
+    # wrap runtime dependencies
+    wrapProgram $out/bin/monero-wallet-gui \
+      --set QML2_IMPORT_PATH "${qml2ImportPath}" \
+      --set QT_PLUGIN_PATH "${qtbase.bin}/${qtbase.qtPluginPrefix}"
   '';
 
   meta = {