Fix crash when `likes` or `shares` collections are not inlined (#34618)

app/lib/activitypub/parser/status_parser.rb

@@ -95,11 +95,11 @@ class ActivityPub::Parser::StatusParser
   end
 
   def favourites_count
-    @object.dig('likes', 'totalItems')
+    @object.dig('likes', 'totalItems') if @object.is_a?(Hash)
   end
 
   def reblogs_count
-    @object.dig('shares', 'totalItems')
+    @object.dig('shares', 'totalItems') if @object.is_a?(Hash)
   end
 
   def quote_policy

spec/lib/activitypub/activity/create_spec.rb

@@ -20,7 +20,7 @@ RSpec.describe ActivityPub::Activity::Create do
       type: 'Create',
       actor: ActivityPub::TagManager.instance.uri_for(sender),
       object: object_json,
-    }.with_indifferent_access
+    }.deep_stringify_keys
   end
 
   before do
@@ -102,7 +102,7 @@ RSpec.describe ActivityPub::Activity::Create do
         type: 'Create',
         actor: ActivityPub::TagManager.instance.uri_for(sender),
         object: json,
-      }.with_indifferent_access
+      }.deep_stringify_keys
     end
 
     before do
@@ -1076,7 +1076,7 @@ RSpec.describe ActivityPub::Activity::Create do
           type: 'Create',
           actor: ActivityPub::TagManager.instance.uri_for(sender),
           object: Addressable::URI.new(scheme: 'bear', query_values: { t: token, u: object_json[:id] }).to_s,
-        }.with_indifferent_access
+        }.deep_stringify_keys
       end
 
       let(:object_json) do

spec/lib/activitypub/parser/status_parser_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe ActivityPub::Parser::StatusParser do
       type: 'Create',
       actor: ActivityPub::TagManager.instance.uri_for(sender),
       object: object_json,
-    }.with_indifferent_access
+    }.deep_stringify_keys
   end
 
   let(:object_json) do