Fix link colors

app/assets/stylesheets/admin/design-system/typography.sass

@@ -20,7 +20,7 @@ p
     text-transform: uppercase
 
 a
-    text-decoration: none
+    text-decoration-style: none
     text-decoration-thickness: 1px
     text-underline-offset: 4px
     transition: text-decoration 0.5s, color 0.5s

app/assets/stylesheets/commons/_summernote.sass

@@ -47,6 +47,9 @@
                 sup
                     top: inherit
                     padding-left: 2px
+                a
+                    color: $color-flexoki-blue-a11y
+                    text-decoration-style: solid
                 img,
                 video
                     height: auto
@@ -65,8 +68,7 @@
                     *
                         color: white
                     a
-                        text-decoration: solid
-                        text-underline-offset: auto
+                        text-decoration-style: solid
                         &[target="_blank"]::after
                             filter: invert(1)
     b