PD-5221 add more contrast to 2fa text (#2802)

Co-authored-by: andrej romanov <50377758+auumgn@users.noreply.github.com>

Author: aromanovv

src/app/account-settings/components/settings-security-two-factor-auth/settings-security-two-factor-auth.component.scss-theme.scss

@@ -13,7 +13,7 @@
   }
 
   .on {
-    color: map-get($foreground, 'brand-primary-dark');
+    color: map-get($foreground, 'brand-primary-darkest');
   }
 }
 

src/app/cdk/account-panel/settings-panels/settings-panels.component.scss-theme.scss

@@ -33,7 +33,7 @@
     }
 
     .on {
-      color: map-get($foreground, 'brand-primary-dark');
+      color: map-get($foreground, 'brand-primary-darkest');
     }
   }
 }