DARK: fix exporess checkout covering 'add review' button (#165)

## JIRA Ticket

[YSHOP2-1072](https://youcanshop.atlassian.net/browse/YSHOP2-1072)

## QA Steps
### Prerequisites:
-  [ ] Make sure you have products displayed on your store front
-  [ ] Make sure you have sticky express checkout enabled
-  [ ] Make sure you have `Theme 3` enabled as the active theme
- [ ] From the theme editor and in the product details page, make sure
you add a Customer Reviews section.

### Steps
- [ ] In your store front, go to the product details page of a product
you have
- [ ] Scroll down until the express checkout button is aligned with the
"Add review" button
- [ ] You should be able to click on the "Add review" button

[YSHOP2-1072]:
https://youcanshop.atlassian.net/browse/YSHOP2-1072?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

assets/main.css

@@ -550,6 +550,7 @@ input:not([type=radio]),
   left: 0;
   width: 100%;
   z-index: 999;
+  pointer-events: none;
 }
 @media (min-width: 768px) {
   .sticky-elements-wrapper {

package.json

@@ -4,7 +4,7 @@
 	"version": "0.0.0",
 	"type": "module",
 	"scripts": {
-		"sass": "sass ./styles:./assets --no-source-map --watch",
+		"sass": "sass ./styles:./assets --no-charset --no-source-map --watch",
 		"fix": "onchange \"**/*.*\" -- prettier --write --ignore-unknown ./**/*.* --plugin-search-dir=. --ignore-path=.prettierignore",
 		"lint": "onchange \"**/*.*\" -- prettier --check .",
 		"wind": "npx tailwindcss build -i ./styles/_utils.css -o ./styles/utils.scss",

styles/main.scss

@@ -589,6 +589,7 @@ input:not([type='radio']),
   left: 0;
   width: 100%;
   z-index: 999;
+  pointer-events: none;
 
   @include breakpoint('md') {
     display: grid;