Bug 1585458 - Use the correct border on the Focused & Collapsed Megabar. r=dao

Differential Revision: https://phabricator.services.mozilla.com/D47813

--HG--
extra : moz-landing-system : lando

browser/themes/osx/browser.css

@@ -260,7 +260,7 @@
 }
 
 /* Focus ring. */
-#urlbar:not(.megabar):not(.hidden-focus)[focused="true"],
+#urlbar:not(.hidden-focus)[focused="true"],
 #searchbar:focus-within {
   box-shadow: 0 0 0 1px var(--toolbar-field-focus-border-color) inset,
               0 0 0 1px var(--toolbar-field-focus-border-color);