Fix user display, add logout, footer, optimize performance

- Move userDisplay inside tableContainer with proper positioning
- Add logout button next to settings
- Add footer with user email (left) and version (right)
- Fix auth model loading on page refresh
- Remove cache clearing on checkbox changes for better performance
- Add 150ms debounce to search input
- Expand search to include Notes fields
- Suppress QUIC protocol console errors from realtime connection
- Optimize checkbox change handler

appsettings.html

@@ -250,6 +250,8 @@
         console.log('Settings saved to PocketBase successfully');
         if (!isAuto) {
           alert('Settings saved successfully!');
+          // Redirect back to estimator table
+          window.location.href = '/estimatortable.html';
         }
       } catch (error) {
         console.error('Error saving settings:', error);