Forms: hide after pseudo element in checkbox and radio inputs (#46393)

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/20455946963

Upstream-Ref: Automattic/jetpack@6e40439

Author: simison

CHANGELOG.md

@@ -13,6 +13,7 @@ This is an alpha version! The changes listed here are not final.
 - Refactor Feedback_Test.php into 8 focused test classes for better organization and maintainability
 
 ### Fixed
+- Forms: don't allow ::after pseudo element manipulation on Jetpack Forms radio and checkbox input elements
 - Forms: update 'Learn more' link in form notification settings.
 
 ## [7.1.0] - 2025-12-22

dist/contact-form/css/grunion-rtl.css

@@ -1060,6 +1060,12 @@ on production builds, the attributes are being reordered, causing side-effects
 
 }
 
+// don't allow ::after pseudo-element to be displayed for checkboxes and radios
+.contact-form input[type="checkbox"]::after,
+.contact-form input[type="radio"]::after {
+	display: none;
+}
+
 .contact-form .is-style-list input.consent::before,
 .contact-form .is-style-list input.checkbox::before,
 .contact-form .grunion-field-wrap:not(.is-style-plain) input.checkbox-multiple::before {