Route stroke dirty mutation through helper

src/legacy_canvas_stroke_execution_services.h

@@ -246,6 +246,27 @@ std::size_t execute_legacy_canvas_stroke_frame_faces(
     };
 }
 
+[[nodiscard]] inline LegacyCanvasStrokeFaceDirtyResult apply_legacy_canvas_stroke_face_dirty_update(
+    const LegacyCanvasStrokeFaceDirtyRequest& request,
+    glm::vec4& accumulated_dirty_box,
+    glm::vec4* pass_dirty_box = nullptr,
+    bool* committed_dirty = nullptr,
+    bool* pass_dirty = nullptr) noexcept
+{
+    const auto result = plan_legacy_canvas_stroke_face_dirty_update(request);
+    accumulated_dirty_box = result.accumulated_dirty_box;
+    if (pass_dirty_box) {
+        *pass_dirty_box = result.pass_dirty_box;
+    }
+    if (committed_dirty) {
+        *committed_dirty = result.committed_dirty;
+    }
+    if (pass_dirty) {
+        *pass_dirty = result.pass_dirty;
+    }
+    return result;
+}
+
 [[nodiscard]] inline LegacyCanvasStrokePadExecutionResult execute_legacy_canvas_stroke_pad_faces(
     const LegacyCanvasStrokePadExecutionRequest& request)
 {