fix(extension): resolve UI layout issues in sidepanel

- Add sidepanel folder to Tailwind content paths (root cause of broken CSS)
- Fix ChatInterface layout: group ChatInput and QuickCapture properly
- Remove sticky positioning from QuickCapture (now in flex container)
- Make TokenInfoCard buttons more compact for narrow screens
- Improve TokenAnalysisWidget button layout with flex-wrap

surfsense_browser_extension/sidepanel/chat/QuickCapture.tsx

@@ -39,8 +39,8 @@ export function QuickCapture() {
     };
 
     return (
-        <div className="sticky bottom-0 border-t p-3 bg-background">
-            <Button className="w-full" onClick={handleCapture}>
+        <div className="border-t p-3 bg-background">
+            <Button className="w-full" variant="outline" onClick={handleCapture}>
                 <Camera className="mr-2 h-4 w-4" />
                 Save Current Page
             </Button>