chore(dependencies): add webview_flutter_platform_interface package to pubspec.yaml and clean up test files by removing unnecessary whitespace

test/features/diary/presentation/widgets/chosen_diet_widget_content_test.dart

@@ -71,3 +71,7 @@ void main() {
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test/features/diary/presentation/widgets/comment_container_test.dart

@@ -49,3 +49,7 @@ void main() {
   });
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test/features/diary/presentation/widgets/finish_day_button_widget_test.dart

@@ -44,3 +44,7 @@ void main() {
   });
 }
 
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test/features/diary/presentation/widgets/meal_summary_widget_test.dart

@@ -81,3 +81,7 @@ void main() {
   });
 }
 
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test/features/diary/presentation/widgets/product_loader_widget_test.dart

@@ -33,3 +33,7 @@ void main() {
   });
 }
 
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