feat: implement patch method in ApiClient and update recipe update logic in RecipeRepository

flutter/lib/core/api/api_client.dart

@@ -57,17 +57,18 @@ class ApiClient {
         return _decodeOrNull(_guardResponse(response));
     }
 
-    Future<dynamic> deleteJson(String path, {String? token}) async {
-        final response = await _client.delete(
-            Uri.parse('$baseUrl$path'),
-            headers: _headers(token: token),
-        );
-        return _decodeOrNull(_guardResponse(response));
-    }
-
-    http.Response _guardResponse(http.Response response) {
-        if (response.statusCode < 400) {
-            return response;
+  Future<dynamic> patchJson(
+    String path, {
+    Object? body,
+    String? token,
+  }) async {
+    final response = await _client.patch(
+      Uri.parse('$baseUrl$path'),
+      headers: _headers(token: token),
+      body: body == null ? null : jsonEncode(body),
+    );
+    return _decodeOrNull(_guardResponse(response));
+  }
         }
 
         final parsedBody = _decodeOrNull(response);

flutter/lib/features/recipes/data/recipe_repository.dart

@@ -64,7 +64,7 @@ class RecipeRepository {
       {String? token}) async {
     try {
       final data =
-          await _api.putJson('/recipes/$id', body: body, token: token);
+          await _api.patchJson('/recipes/$id', body: body, token: token);
       if (data is! Map<String, dynamic>) {
         throw const ApiException(
             type: ApiErrorType.unknown, message: 'Ogiltigt svar fran servern.');