Use blue accent for the Create & Print section grid icon.

Matches the Quick Start sparkle icon styling for consistent section headers.

Co-authored-by: Cursor <cursoragent@cursor.com>

smart_printer/ViewController.swift

@@ -380,8 +380,7 @@ class ViewController: NSViewController {
                     let config = NSImage.SymbolConfiguration(pointSize: 16, weight: .medium)
                     gridIcon.image = image.withSymbolConfiguration(config)
                 }
-                gridIcon.contentTintColor = AppTheme.textPrimary
-                gridIcon.usesThemeTint = true
+                gridIcon.contentTintColor = AppTheme.blue
                 titleIcon = gridIcon
             case .none:
                 titleIcon = NSView()