Update bootstrap 4.6.1

WebCms/Content/bootstrap/_dropdown.scss

@@ -22,7 +22,7 @@
   display: none; // none by default, but block on "open" of the menu
   float: left;
   min-width: $dropdown-min-width;
-  padding: $dropdown-padding-y 0;
+  padding: $dropdown-padding-y $dropdown-padding-x;
   margin: $dropdown-spacer 0 0; // override default ul
   @include font-size($dropdown-font-size);
   color: $dropdown-color;
@@ -100,7 +100,7 @@
   }
 }
 
-// When enabled Popper.js, reset basic dropdown position
+// When Popper is enabled, reset the basic dropdown position
 // stylelint-disable-next-line no-duplicate-selectors
 .dropdown-menu {
   &[x-placement^="top"],
@@ -128,6 +128,7 @@
   font-weight: $font-weight-normal;
   color: $dropdown-link-color;
   text-align: inherit; // For `<button>`s
+  text-decoration: if($link-decoration == none, null, none);
   white-space: nowrap; // prevent links from randomly breaking onto new lines
   background-color: transparent; // For `<button>`s
   border: 0; // For `<button>`s
@@ -176,7 +177,7 @@
 // Dropdown section headers
 .dropdown-header {
   display: block;
-  padding: $dropdown-padding-y $dropdown-item-padding-x;
+  padding: $dropdown-header-padding;
   margin-bottom: 0; // for use with heading elements
   @include font-size($font-size-sm);
   color: $dropdown-header-color;