instead of negative margin, use positive one and reduce it from the positive value

Author: bsatarnejad

app/components/primer/beta/breadcrumbs.pcss

@@ -1,15 +1,13 @@
 .breadcrumb-item {
-  display: inline;
-  /* stylelint-disable-next-line primer/spacing */
-  margin-left: -0.35em;
+  display: inline-block;
   list-style: none;
   max-width: 100%;
 
   &::after {
     display: inline-block;
     height: 0.8em;
     /* stylelint-disable-next-line primer/spacing */
-    margin: 0 0.5em;
+    margin: 0 0.15em 0 0.5em;
     content: '';
     /* stylelint-disable-next-line primer/borders */
     border-right: 0.1em solid var(--borderColor-neutral-emphasis);