UI tests: Contrast for close button https://github.com/piwik/piwik/pull/9572 ...

UI tests: Contrast for close button https://github.com/piwik/piwik/pull/9572 https://github.com/piwik/piwik/issues/9155

UI tests: Contrast for close button https://github.com/piwik/piwik/pull/9572 ...
cb792eb1 · mattab · 76832b24 · 8e52f562 · 479afbe0 · 8e52f562
--- a/expected-ui-screenshots @ 8e52f562
+++ b/expected-ui-screenshots @ 8e52f562
-Subproject commit 479afbe0182193efceadcbfa0d58ff74a9a55a75
+Subproject commit 8e52f5627a4f7f708676eb7a49c38e45acbce302