refactor: give the delete button more padding

Author: devvaannsh

src/styles/Extn-CustomSnippets.less

@@ -292,6 +292,7 @@
     align-items: center;
     justify-content: center;
     font-size: 0.9rem;
+    padding: 3px 6px;
 
     .dark & {
         color: @dark-bc-text-thin-quiet;