[lighthouse] Fix tab focus for "Learn more" in toolbar.

Fixed: 443929833
Change-Id: I76e27fcfeda239fc8c5cae1ab709318943b69172
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6939267
Auto-Submit: Benedikt Meurer <[email protected]>
Reviewed-by: Kateryna Prokopenko <[email protected]>
Commit-Queue: Kateryna Prokopenko <[email protected]>
Commit-Queue: Benedikt Meurer <[email protected]>

Author: bmeurer

front_end/panels/lighthouse/LighthouseStartView.ts

@@ -137,8 +137,9 @@ export class StartView extends UI.Widget.Widget {
     if (runtimeSetting.learnMore) {
       const link = UI.XLink.XLink.create(
           runtimeSetting.learnMore, i18nString(UIStrings.learnMore), 'lighthouse-learn-more', undefined, 'learn-more');
-      link.style.paddingLeft = '5px';
+      link.style.marginLeft = '5px';
       link.style.display = 'inline-flex';
+      link.style.height = 'revert';
       toolbar.appendToolbarItem(new UI.Toolbar.ToolbarItem(link));
     }
   }