Fixes #13583: Move .sr-only and .sr-only-focusable to mixins, then use them to create classes in _utilities.scss

dist/css/bootstrap.css

@@ -347,26 +347,6 @@ hr {
   border-top: .0625rem solid #eceeef;
 }
 
-.sr-only {
-  position: absolute;
-  width: 1px;
-  height: 1px;
-  padding: 0;
-  margin: -1px;
-  overflow: hidden;
-  clip: rect(0, 0, 0, 0);
-  border: 0;
-}
-
-.sr-only-focusable:active, .sr-only-focusable:focus {
-  position: static;
-  width: auto;
-  height: auto;
-  margin: 0;
-  overflow: visible;
-  clip: auto;
-}
-
 [role="button"] {
   cursor: pointer;
 }
@@ -5033,6 +5013,26 @@ button.close {
   float: left !important;
 }
 
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  border: 0;
+}
+
+.sr-only-focusable:active, .sr-only-focusable:focus {
+  position: static;
+  width: auto;
+  height: auto;
+  margin: 0;
+  overflow: visible;
+  clip: auto;
+}
+
 .inverse {
   color: #eceeef;
   background-color: #373a3c;