Don't set juce UIs always-on-top, it has issues on linux

source/modules/carla_native/vex-fx.cpp

@@ -38,7 +38,7 @@ public:
           fClosed(false)
     {
         setVisible(false);
-        setAlwaysOnTop(true);
+        //setAlwaysOnTop(true);
         setOpaque(true);
         setResizable(false, false);
         setUsingNativeTitleBar(true);

source/modules/carla_native/vex-synth.cpp

@@ -75,7 +75,7 @@ public:
           fClosed(false)
     {
         setVisible(false);
-        setAlwaysOnTop(true);
+        //setAlwaysOnTop(true);
         setOpaque(true);
         setResizable(false, false);
         setUsingNativeTitleBar(true);