refactor: increase padding for improved readability

Author: devvaannsh

src/styles/Extn-CustomSnippets.less

@@ -187,7 +187,7 @@
 #snippet-item {
     display: flex;
     align-items: center;
-    padding: 3px 12px 3px 16px;
+    padding: 4px 12px 4px 16px;
     margin: 0;
     border-bottom: 1px solid transparent;
     background-color: @bc-panel-bg;