v1.1.4: Optimize stream stability for Live TV

- Increased cache to 5 minutes (was 2 min)
- Increased buffer to 150MB (was 50MB)
- Added back-buffer of 75MB
- Network timeout increased to 2 min
- More aggressive reconnection settings
- Added read-ahead buffer of 60s
- Frame dropping to catch up on delays

lib/mobile/features/iptv/widgets/mobile_settings_tab.dart

@@ -108,7 +108,7 @@ class _MobileSettingsTabState extends ConsumerState<MobileSettingsTab> {
                       ),
                       SizedBox(height: 4),
                       Text(
-                        'Version 1.1.3',
+                        'Version 1.1.4',
                         style: TextStyle(
                           fontSize: 13,
                           color: AppColors.textSecondary,