Index: wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css
===================================================================
--- wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(revision 58682)
+++ wp-content/themes/twentytwenty/assets/css/editor-style-block-rtl.css	(working copy)
@@ -1532,3 +1532,8 @@
 
 
 }
+
+/* BLOCK: DETAILS */
+.wp-block[data-align="full"] details p{
+    margin-left:unset!important;
+}
Index: wp-content/themes/twentytwenty/assets/css/editor-style-block.css
===================================================================
--- wp-content/themes/twentytwenty/assets/css/editor-style-block.css	(revision 58682)
+++ wp-content/themes/twentytwenty/assets/css/editor-style-block.css	(working copy)
@@ -1536,3 +1536,8 @@
 
 
 }
+
+/* BLOCK: DETAILS */
+.wp-block[data-align="full"] details p{
+    margin-left:unset!important;
+}