Fixed-19791: Logo vertical misalignment.

Author: suryakant-krish

app/design/adminhtml/Magento/backend/Magento_Backend/web/css/source/module/_menu.less

@@ -15,9 +15,9 @@
 
 @menu__background-color: @color-very-dark-grayish-orange;
 
-@menu-logo__padding-bottom: 2.2rem;
+@menu-logo__padding-bottom: 1.7rem;
 @menu-logo__outer-size: @menu-logo__padding-top + @menu-logo-img__height + @menu-logo__padding-bottom;
-@menu-logo__padding-top: 1.2rem;
+@menu-logo__padding-top: 1.7rem; 
 @menu-logo-img__height: 4.1rem;
 @menu-logo-img__width: 3.5rem;