fix: set default activeSection to 'ecommerce' in components page

The page starts with E-commerce section at the top, so the default
active section should match.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

static/admin/js/components.js

@@ -16,8 +16,8 @@ function adminComponents() {
         // ✅ CRITICAL: Set page identifier
         currentPage: 'components',
 
-        // Active section for navigation
-        activeSection: 'forms',
+        // Active section for navigation (matches first section on page)
+        activeSection: 'ecommerce',
 
         // Component sections
         sections: [