ENGCOM-4229: [Backport] Fixed issue #20911 In admin login password forgot password page wrong css used to make it vertially aling middle #21162

 - Merge Pull Request #21162 from mage2pratik/magento2:2.2-develop-PR-port-20914
 - Merged commits:
   1. 2220707
   2. be92e7b
   3. bce16b4

Author: magento-engcom-team

app/design/adminhtml/Magento/backend/web/css/source/forms/_temp.less

@@ -409,30 +409,38 @@ label.mage-error {
             z-index: 1;
 
             &:before {
+                // @codingStandardsIgnoreStart
                 &:extend(.admin__control-checkbox + label:before);
+                // @codingStandardsIgnoreEnd
                 left: 0;
                 position: absolute;
                 top: 0;
             }
 
             &:after {
+                // @codingStandardsIgnoreStart
                 &:extend(.action-multicheck-wrap .action-multicheck-toggle:after);
+                // @codingStandardsIgnoreEnd
                 top: 40% !important;
             }
         }
 
         &:focus {
             + label {
                 &:after {
+                    // @codingStandardsIgnoreStart
                     &:extend(.action-multicheck-wrap .action-multicheck-toggle._active:after);
+                    // @codingStandardsIgnoreEnd
                 }
             }
         }
 
         &._checked {
             + label {
                 &:before {
+                    // @codingStandardsIgnoreStart
                     &:extend(.admin__control-checkbox:checked + label:before);
+                    // @codingStandardsIgnoreEnd
                 }
             }