Made ImageButton take into account the state of Component::setIgnoresMouseClicks

modules/juce_gui_basics/buttons/juce_ImageButton.cpp

@@ -178,6 +178,9 @@ void ImageButton::paintButton (Graphics& g,
 
 bool ImageButton::hitTest (int x, int y)
 {
+    if (! Component::hitTest (x, y)) // handle setInterceptsMouseClicks
+        return false;
+
     if (alphaThreshold == 0)
         return true;