Trim whitespace for game fields

lib/widgets/game_card.dart

@@ -64,10 +64,10 @@ class _GameCardState extends State<GameCard>
         if (name.isNotEmpty) {
           widget.onGameUpdated(
             Game(
-              name: name,
+              name: name.trim(),
               versionRegex: _versionRegexController.text,
-              lastPlayed: _lastPlayedController.text,
-              rssFeedUrl: _rssFeedUrlController.text,
+              lastPlayed: _lastPlayedController.text.trim(),
+              rssFeedUrl: _rssFeedUrlController.text.trim(),
               actualVersion: widget.game.actualVersion,
               lastUpdated: widget.game.lastUpdated,
               imageData: widget.game.imageData,
@@ -156,10 +156,10 @@ class _GameCardState extends State<GameCard>
       final imageBytes = await image.readAsBytes();
       final updatedGame = await GameRepository.updateImage(
         Game(
-          name: widget.game.name,
+          name: widget.game.name.trim(),
           versionRegex: _versionRegexController.text,
-          lastPlayed: _lastPlayedController.text,
-          rssFeedUrl: _rssFeedUrlController.text,
+          lastPlayed: _lastPlayedController.text.trim(),
+          rssFeedUrl: _rssFeedUrlController.text.trim(),
           actualVersion: widget.game.actualVersion,
           lastUpdated: widget.game.lastUpdated,
           imageData: imageBytes,