fix: Fixed menu items being missaligned on windows, b=(closes #8590), c=no-component

Author: mr-cheffy

src/toolkit/themes/shared/menu-css.patch

@@ -0,0 +1,13 @@
+diff --git a/toolkit/themes/shared/menu.css b/toolkit/themes/shared/menu.css
+index ecf66f30b2dd18765af467913bb0bc66a8d36a41..6b58db0c1590b0151a3e169b75d4d2ee19db912c 100644
+--- a/toolkit/themes/shared/menu.css
++++ b/toolkit/themes/shared/menu.css
+@@ -345,7 +345,7 @@ menuitem[highlightable] > .menu-text {
+     /* On macOS and Windows, empty icons shouldn't take up any space */
+     menuitem:not(.menuitem-iconic, [image]) > &,
+     menu:not(.menu-iconic) > & {
+-      display: none;
++      
+     }
+   }
+ }