Add comprehensive UI component expansion

- Add new components: enhanced-table, fab-menu, icon-button, snackbar, select, tag-input, bottom-navigation, stepper, command-palette, floating-toolbar, transfer-list
- Refactor table-actions and select components
- Update component styles and exports
- Add corresponding demo components

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

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

projects/demo-ui-essentials/src/app/demos/container-demo/container-demo.component.scss

@@ -78,12 +78,10 @@
   margin: 0 auto; // Center the container
   position: relative; // For proper positioning context
   
-  // Override container component's auto margins that might be causing issues
+  // Ensure proper centering
   &.ui-container {
-    margin-left: auto !important;
-    margin-right: auto !important;
-    left: auto !important;
-    right: auto !important;
+    margin-left: auto;
+    margin-right: auto;
   }
   
   &.demo-container-tall {
@@ -187,13 +185,9 @@
 
 // Additional container demo specific styles
 .demo-containers-showcase {
-  // Force all containers to behave properly
+  // Ensure containers behave properly
   .ui-container {
-    // Ensure containers don't push beyond boundaries
     position: relative;
-    left: 0 !important;
-    right: 0 !important;
-    transform: none !important;
   }
   
   // Size-specific constraints to prevent overflow