switch to new intent plugin

app/lib/features/share_intent/domain/entities/shared_content.dart

@@ -1,7 +1,8 @@
+import 'package:fast_equatable/fast_equatable.dart';
 import 'package:lensai/utils/uri_parser.dart' as uri_parser;
 
-sealed class SharedContent {
-  const SharedContent();
+sealed class SharedContent with FastEquatable {
+  SharedContent();
 
   factory SharedContent.parse(String content) {
     if (uri_parser.tryParseUrl(content, eagerParsing: true)
@@ -16,17 +17,23 @@ sealed class SharedContent {
 final class SharedUrl extends SharedContent {
   final Uri url;
 
-  const SharedUrl(this.url);
+  SharedUrl(this.url);
 
   @override
   String toString() => url.toString();
+
+  @override
+  List<Object?> get hashParameters => [url];
 }
 
 final class SharedText extends SharedContent {
   final String text;
 
-  const SharedText(this.text);
+  SharedText(this.text);
 
   @override
   String toString() => text;
+
+  @override
+  List<Object?> get hashParameters => [text];
 }