Bug 1654901 - Make WR primitives invisible when failing to prepare for rendering r=gw

the problem was that paths that determined visibility were not switching it off
on the primitive instance. Now it's moved one level higher.

Differential Revision: https://phabricator.services.mozilla.com/D84762

gfx/wr/webrender/src/prepare.rs

@@ -110,6 +110,8 @@ pub fn prepare_primitives(
                 tile_caches,
             ) {
                 frame_state.profile_counters.visible_primitives.inc();
+            } else {
+                prim_instance.visibility_info = PrimitiveVisibilityIndex::INVALID;
             }
         }
     }
@@ -163,8 +165,6 @@ fn prepare_prim_for_render(
                             println!("\tculled for carrying an invisible composite filter");
                         }
 
-                        prim_instance.visibility_info = PrimitiveVisibilityIndex::INVALID;
-
                         return false;
                     }
                 }