fix(webapp): drop the headline icon 4px

Author: kathiekiwi

apps/webapp/app/components/dashboard-agent/report-sparkline.tsx

@@ -140,7 +140,7 @@ export function ReportHeadline({
 }) {
   return (
     <p className="flex items-start gap-2 text-sm">
-      <ReportSeverityIcon severity={severity} tone={tone} className="mt-0.5 shrink-0" />
+      <ReportSeverityIcon severity={severity} tone={tone} className="mt-1.5 shrink-0" />
       <span>
         <span className={cn("font-medium", SEVERITY_TEXT[tone ?? severity])}>{phrase}</span>
         {continuation ? <span className="text-text-bright"> — {continuation}</span> : null}