Ensure authentication forms have a visible border in Windows high contrast mode

- fixes #9350

CHANGELOG.txt

@@ -7,6 +7,7 @@ Changelog
  * Add custom permissions section to permissions documentation page (Dan Hayden)
  * Remove unsquashed `testapp` migrations (Matt Westcott)
  * Fix: Make sure workflow timeline icons are visible in high-contrast mode (Loveth Omokaro)
+ * Fix: Ensure authentication forms (login, password reset) have a visible border in Windows high-contrast mode (Loveth Omokaro)
 
 
 4.1 LTS (xx.xx.xxxx) - IN DEVELOPMENT

client/scss/layouts/_login.scss

@@ -51,7 +51,8 @@
   }
 
   .content-wrapper {
-    border: 0;
+    // border style needed in forced color mode
+    border: 3px solid transparent;
     height: auto;
     float: none;
     padding: theme('spacing.10') theme('spacing.12');

docs/releases/4.2.md

@@ -19,6 +19,7 @@ depth: 1
 ### Bug fixes
 
  * Make sure workflow timeline icons are visible in high-contrast mode (Loveth Omokaro)
+ * Ensure authentication forms (login, password reset) have a visible border in Windows high-contrast mode (Loveth Omokaro)
 
 ## Upgrade considerations