Don't hide settings tree focus border under toc #106897

src/vs/workbench/contrib/preferences/browser/media/settingsEditor2.css

@@ -203,6 +203,7 @@
 	pointer-events: none;
 	z-index: 10;
 	position: absolute;
+	top: 1px; /* Leave room for the settings list focus outline above */
 }
 
 .settings-editor > .settings-body .settings-toc-container .monaco-list {

src/vs/workbench/contrib/preferences/browser/settingsEditor2.ts

@@ -1358,7 +1358,7 @@ export class SettingsEditor2 extends EditorPane {
 		this.settingsTreeContainer.style.height = `${settingsTreeHeight}px`;
 		this.settingsTree.layout(settingsTreeHeight, dimension.width);
 
-		const tocTreeHeight = listHeight - 16;
+		const tocTreeHeight = listHeight - 17;
 		this.tocTreeContainer.style.height = `${tocTreeHeight}px`;
 		this.tocTree.layout(tocTreeHeight);
 	}