-Fixed a bug in scrollcontainer not respecting expand flag

If you relied on this, make sure the children of your scrollcontainer
is set to expand with the expand flag in either vertical or horizontal axis

scene/gui/scroll_container.cpp

@@ -195,11 +195,19 @@ void ScrollContainer::_notification(int p_what) {
 			Rect2 r = Rect2(-scroll,minsize);
 			if (!scroll_h) {
 				r.pos.x=0;
-				r.size.width=size.width;
+				if (c->get_h_size_flags()&SIZE_EXPAND)
+					r.size.width=MAX(size.width,minsize.width);
+				else
+					r.size.width=minsize.width;
 			}
 			if (!scroll_v) {
 				r.pos.y=0;
 				r.size.height=size.height;
+				if (c->get_v_size_flags()&SIZE_EXPAND)
+					r.size.height=MAX(size.height,minsize.height);
+				else
+					r.size.height=minsize.height;
+
 			}
 			fit_child_in_rect(c,r);
 		}