Bootstrap migration fixups (#2534)

* Remove xxl breakpoint

* Remove code bg

* Form updates

* Update PoS accordion

* Update forms

* Fix webhook password toggle

* Update highlight js styles

* Page updates

* Style unformatted checkboxes

* Fix typo

* Update accordions

* Update policies domain mapping

* Update toggles and checkboxes

* Update storage pages

* Fix specter logo filename casing

* Update checkout experience view

* Update webhook view

* Re-add used negative margins

* Update bootstrap

* POS layout fixes

* Decrease size of info icon in main headline

* Update BTCPayServer/Views/Stores/ModifyWebhook.cshtml

Co-authored-by: britttttk <39231115+britttttk@users.noreply.github.com>

Co-authored-by: britttttk <39231115+britttttk@users.noreply.github.com>

BTCPayServer/wwwroot/vendor/bootstrap-vue/bootstrap-vue.js

@@ -3053,7 +3053,7 @@
           children = _ref.children;
 
       return h(props.tag, mergeData(data, {
-        staticClass: 'form-row'
+        staticClass: 'row'
       }), children);
     }
   };