🎁 Modify labels in UV for V3 manifests

This commit will add the same treatment as we have for V2 manifests to
V3 manifests. This will allow the UV to add a more human readable label
to the pages.

Ref:
  - https://github.com/scientist-softserv/adventist-dl/issues/628

lib/iiif_manifest/v3/manifest_builder/canvas_builder_decorator.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+# OVERRIDE IIIFManifest v1.3.1 to use the parent's title as the label instead of the filename
+
+module IIIFManifest
+  module V3
+    module ManifestBuilderDecorator
+      module CanvasBuilderDecorator
+        def apply_record_properties
+          super
+          canvas.label = if record.to_s.present?
+                           ManifestBuilder.language_map(record['parent_title_tesim']&.first || record.to_s)
+                         end
+        end
+      end
+    end
+  end
+end
+
+IIIFManifest::V3::ManifestBuilder.prepend(IIIFManifest::V3::ManifestBuilderDecorator)
+IIIFManifest::V3::ManifestBuilder::CanvasBuilder.prepend(IIIFManifest::V3::ManifestBuilder::CanvasBuilderDecorator)