MMFMWK-8077 glupload: respect to downstream format priority

Make upstream caps format respect to downstream's priority
to try hard to choose RGBA format if possible

upstream status: imx specific
diff --git a/gst-libs/gst/gl/gstglupload.c b/gst-libs/gst/gl/gstglupload.c
index c473751..8e78e03 100644
--- a/gst-libs/gst/gl/gstglupload.c
+++ b/gst-libs/gst/gl/gstglupload.c
@@ -1866,7 +1866,7 @@
   }
 
   if (filter) {
-    result = gst_caps_intersect_full (filter, tmp, GST_CAPS_INTERSECT_FIRST);
+    result = gst_caps_intersect_full (tmp, filter, GST_CAPS_INTERSECT_FIRST);
     gst_caps_unref (tmp);
   } else {
     result = tmp;