Remove refresh icon and fix Safari/WebKit runtime errors

- Removed manual refresh button from frontend (kept auto-refresh functionality)
- Fixed WebKit 'object cannot be found' error by replacing absolute positioning with flexbox
- Added lazy loading to images to prevent preload warnings
- Cleaned up unused imports and variables:
  - Removed unused useRef import
  - Removed unused colors state variable and colorService
  - Removed unused ColorSwatch import from FilamentTableV2
  - Removed unused getModifierIcon function from MaterialBadge
- Updated tests to match current implementation
- Improved layout stability for better cross-browser compatibility
- Removed temporary migration scripts

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

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

src/types/filament.ts

@@ -3,14 +3,12 @@ export interface Filament {
   tip: string;
   finish: string;
   boja: string;
-  bojaHex?: string;
-  boja_hex?: string;  // Alternative field name from import
-  refill: string;
-  vakum: string;
-  otvoreno: string;
-  kolicina: string;
+  boja_hex?: string;  // Using snake_case to match database
+  refill: number;     // Changed to number for consistency
+  spulna: number;     // Changed to number for consistency
+  kolicina: number;   // Already changed to match database
   cena: string;
   status?: string;
-  createdAt?: string;
-  updatedAt?: string;
+  created_at?: string;  // Using snake_case to match database
+  updated_at?: string;  // Using snake_case to match database
 }