fixed EXT-3374 “[BSI] Notifications and dialogs are semi-transparent (not

opaque) even when in focus”,
made toast opaque when became hovered;

--HG--
branch : product-engine

indra/newview/lltoast.cpp

@@ -266,6 +266,8 @@ void LLToast::onMouseEnter(S32 x, S32 y, MASK mask)
 {
 	mOnToastHoverSignal(this, MOUSE_ENTER);
 
+	setBackgroundOpaque(TRUE);
+
 	//toasts fading is management by Screen Channel
 	
 	sendChildToFront(mHideBtn);