refactor: changed two mixins into one border-image-repeat mixin

scss/utilities/rounded-corners-mixin.scss

@@ -11,13 +11,15 @@
   border-image-source: url('data:image/svg+xml;utf8,<?xml version="1.0" encoding="UTF-8" ?><svg version="1.1" width="5" height="5" xmlns="http://www.w3.org/2000/svg"><path d="M2 1 h1 v1 h-1 z M1 2 h1 v1 h-1 z M3 2 h1 v1 h-1 z M2 3 h1 v1 h-1 z" fill="rgb(#{red($color)},#{green($color)},#{blue($color)})" /></svg>');
 }
 
-@mixin border-image-chrome() {
+@mixin border-image-repeat() {
+  border-image-repeat: stretch;
+
+  // for chrome
   @media all and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: 0.001dpcm) {
     border-image-repeat: space;
   }
-}
 
-@mixin border-image-ff() {
+  // for firefox
   @supports (-moz-appearance: meterbar) {
     border-image-repeat: stretch;
   }
@@ -30,8 +32,7 @@
   border-image-width: 3;
   border-image-repeat: stretch;
 
-  @include border-image-chrome();
-  @include border-image-ff();
+  @include border-image-repeat();
 
   @if $isDark {
     @include border-image($color-white);
@@ -51,8 +52,7 @@
   border-image-width: 2;
   border-image-repeat: stretch;
 
-  @include border-image-chrome();
-  @include border-image-ff();
+  @include border-image-repeat();
 
   @if $isDark {
     @include compact-border-image($color-white);