Avoid bad scrollbar replacement into width values

Refs #30772

diff --git a/js/src/modal.js b/js/src/modal.js
index 5dc7cd39388362946af54dc7388d116804f32118..309d6d73ac3404f4202c8792d1861d5a795e383e 100644 (file)
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -455,7 +455,7 @@ class Modal {
 
   _checkScrollbar() {
     const rect = document.body.getBoundingClientRect()
-    this._isBodyOverflowing = rect.left + rect.right < window.innerWidth
+    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth
     this._scrollbarWidth = this._getScrollbarWidth()
   }