fix error preventing activity log diff

Gemfile.lock

@@ -181,7 +181,7 @@ GEM
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
-    minitest (5.19.0)
+    minitest (5.20.0)
     msgpack (1.6.0)
     mysql2 (0.5.5)
     net-imap (0.3.7)
@@ -203,8 +203,8 @@ GEM
       racc (~> 1.4)
     orm_adapter (0.5.0)
     pagy (6.0.1)
-    paper_trail (14.0.0)
-      activerecord (>= 6.0)
+    paper_trail (15.1.0)
+      activerecord (>= 6.1)
       request_store (~> 1.4)
     parallel (1.22.1)
     parser (3.2.0.0)
@@ -379,10 +379,11 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.11)
+    zeitwerk (2.6.12)
 
 PLATFORMS
   x86_64-darwin-21
+  x86_64-darwin-22
   x86_64-linux
 
 DEPENDENCIES

config/application.rb

@@ -20,5 +20,6 @@ class Application < Rails::Application
     # -- all .rb files in that directory are automatically loaded after loading
     # the framework and any gems in your application.
     config.active_job.queue_adapter = :inline
+    config.active_record.yaml_column_permitted_classes = [ActiveSupport::TimeWithZone, Time, ActiveSupport::TimeZone]
   end
 end

spec/features/end_to_end_spec.rb

@@ -402,5 +402,17 @@
     expect(page).to have_content('Haritha Vytla deleted the in house repair record')
     expect(page).to_not have_content('Haritha Vytla created the treatment report')
     expect(page).to have_content('Haritha Vytla updated the treatment report')
+
+    # Check that details page shows diff data
+    visit conservation_records_path
+    click_link(conservation_record.title, match: :prefer_exact)
+    fill_in 'treatment_report_description_binding', with: 'Half leather tightjoint, tight back binding'
+    click_button('Save Treatment Report')
+    expect(page).to have_content('Treatment Record updated successfully!')
+    visit activity_index_path
+    expect(page).to have_content('Haritha Vytla updated the treatment report')
+    first('tr').click_link('Details')
+    expect(page).to have_content('Full leather tightjoint, tight back binding')
+    expect(page).to have_content('Half leather tightjoint, tight back binding')
   end
 end