Bug 1745401 - Alerts View - Change default behaviour when clicking alert title (#7342)

ui/perfherder/alerts/AlertHeaderTitle.jsx

@@ -22,6 +22,7 @@ export default class AlertHeaderTitle extends React.Component {
         <Col className="d-flex align-items-start p-0">
           <Link
             className="text-dark mr-1"
+            target="_blank"
             to={`./alerts?id=${alertSummary.id}&hideDwnToInv=0`}
             id={`alert summary ${alertSummary.id.toString()} title`}
             data-testid={`alert summary ${alertSummary.id.toString()} title`}

ui/perfherder/graphs/GraphTooltip.jsx

@@ -249,7 +249,10 @@ const GraphTooltip = ({
             </span>
             {dataPointDetails.alertSummary && (
               <p>
-                <Link to={`./alerts?id=${dataPointDetails.alertSummary.id}`}>
+                <Link
+                  to={`./alerts?id=${dataPointDetails.alertSummary.id}`}
+                  target="_blank"
+                >
                   <FontAwesomeIcon
                     className="text-warning"
                     icon={faExclamationCircle}