fix some TODOs

frontend/src/components/preview/PreviewPane.tsx

@@ -89,12 +89,7 @@ function PreviewPane({ doUpdate, reset, settings }: Props) {
           />
         </TabsContent>
         <TabsContent value="code">
-          <CodeTab
-            code={previewCode}
-            // TODO*
-            setCode={() => {}}
-            settings={settings}
-          />
+          <CodeTab code={previewCode} setCode={() => {}} settings={settings} />
         </TabsContent>
       </Tabs>
     </div>

frontend/src/components/variants/Variants.tsx

@@ -3,7 +3,7 @@ import { useProjectStore } from "../../store/project-store";
 function Variants() {
   const { head, commits, updateSelectedVariantIndex } = useProjectStore();
 
-  // TODO*: Is HEAD null right? And check variants.length === 0 ||
+  // If there is no head, don't show the variants
   if (head === null) {
     return null;
   }