Prefer "Hiragino Kaku Gothic ProN" in system-ui-ja (#17954)

Author: rinsuki

web_src/less/_font_i18n.less

@@ -54,7 +54,7 @@ each(@fonts, {
 
 @fonts: {
   @ja:
-    "HiraginoSans-:{W2,W4,W5,W6}", "HiraKakuProN-:{W3,W6}", "Hiragino Kaku Gothic ProN :{W3,W6}",
+    "HiraKakuProN-:{W3,W6}", "Hiragino Kaku Gothic ProN :{W3,W6}", "HiraginoSans-:{W2,W4,W5,W6}",
     .shs("JP")[], .shs("J")[], .noto("JP")[], .shs("")[],
     /* https://acetaminophen.hatenablog.com/entry/2016/02/15/225009 */
     "Yu Gothic :{Regular,Medium,Bold}", "YuGothic :{Regular,Medium,Bold}",