Update ValoThemeTest screenshots (#8431)

diff --git a/tests/screenshots b/tests/screenshots
index 5eef22da86355efe2f56a5255cdcce9d4ef49318..ffb135674776d37fbccbec8addedbda2edcf1767 160000 (submodule)
--- a/tests/screenshots
+++ b/tests/screenshots
@@ -1 +1 @@
-Subproject commit 5eef22da86355efe2f56a5255cdcce9d4ef49318
+Subproject commit ffb135674776d37fbccbec8addedbda2edcf1767