Alternative dark: improve border color of notification (#5206)

p/themes/Alternative-Dark/adark.css

@@ -38,7 +38,7 @@
 	--alert-error-border-color: #912621;
 
 	--notification-border-color: #eeb;
-	--notification-good-border-color: #0044cb;
+	--notification-good-border-color: #0062b7;
 	--notification-bad-background-color: #fdd;
 	--notification-bad-font-color: #912621;
 	--notification-bad-border-color: #ecc;

p/themes/Alternative-Dark/adark.rtl.css

@@ -38,7 +38,7 @@
 	--alert-error-border-color: #912621;
 
 	--notification-border-color: #eeb;
-	--notification-good-border-color: #0044cb;
+	--notification-good-border-color: #0062b7;
 	--notification-bad-background-color: #fdd;
 	--notification-bad-font-color: #912621;
 	--notification-bad-border-color: #ecc;