Update scss mixins to comply with scss-linting rules (#22151)

* Fixed some linting issues

* Run npm tasks after scss cleanup

* Revert "Run npm tasks after scss cleanup"

This reverts commit 1103a0da68.

* Property sort order for grid

* Let's respest the property order in the mixins

* Respect property sort order in reboot file

* ::-ms-expand is a vendor-prefix, add it to the scss-lint disable

* Revert hover mixin comment

* Fixed missing mixin hover-focus

scss/_reboot.scss

@@ -22,8 +22,8 @@ html {
   box-sizing: border-box; // 1
   font-family: sans-serif; // 2
   line-height: 1.15; // 3
-  -ms-text-size-adjust: 100%; // 4
   -webkit-text-size-adjust: 100%; // 4
+  -ms-text-size-adjust: 100%; // 4
   -ms-overflow-style: scrollbar; // 5
   -webkit-tap-highlight-color: rgba(0,0,0,0); // 6
 }