[JENKINS-36772] Update changes tab style so message can span multiple lines (#415)

* [JENKINS-36772] allow multiple line breaks in message

* [JENKINS-36772] vertical align should be top

* eslint - formating changes and fix offences

blueocean-dashboard/src/main/js/components/RunDetailsChanges.jsx

@@ -38,7 +38,7 @@ export default class RunDetailsChanges extends Component {
                     <tr key={commit.commitId}>
                         <td><CommitHash commitId={commit.commitId} /></td>
                         <td>{commit.author.fullName}</td>
-                        <td>{commit.msg}</td>
+                        <td className="multipleLines">{commit.msg}</td>
                         <td><ReadableDate date={commit.timestamp} liveUpdate /></td>
                     </tr>
                 ))}

blueocean-dashboard/src/main/less/core.less

@@ -197,3 +197,14 @@ code div a.btn-secondary.inverse:hover{
     background-color: @pre-color-hover;
 }
 
+.jdl-table {
+    td.multipleLines {
+        white-space: pre-wrap;
+    }
+}
+
+.changeset-table {
+    td {
+        vertical-align: top;
+    }
+}