Fix icon selector popup appearing only after sidebar opens

- Added 100ms delay to ensure DOM is ready before showing icon selector
- Popups already have proper z-index (3000+) above controls (1000)
- Icon selector should now appear immediately on page load if no icon saved

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

index.html

@@ -2443,8 +2443,10 @@
             myColor = localStorage.getItem('userColor');
 
             if (!myIcon || !myColor) {
-                // Show selector if no icon chosen yet
+                // Show selector if no icon chosen yet - delay to ensure DOM is ready
+                setTimeout(() => {
                     showIconSelector();
+                }, 100);
             }
         }