Add loop property to play animation interaction links and update migration script

src/app/App.tsx

@@ -1806,7 +1806,8 @@ export function App({ store, initialStatusMessage }: AppProps) {
           sourceEntityId: link.sourceEntityId,
           trigger: link.trigger,
           targetModelInstanceId,
-          clipName: link.action.clipName
+          clipName: link.action.clipName,
+          loop: link.action.loop
         }),
         "Updated play animation link target."
       );
@@ -1836,12 +1837,32 @@ export function App({ store, initialStatusMessage }: AppProps) {
         sourceEntityId: link.sourceEntityId,
         trigger: link.trigger,
         targetModelInstanceId: link.action.targetModelInstanceId,
-        clipName
+        clipName,
+        loop: link.action.loop
       }),
       "Updated play animation clip."
     );
   };
 
+  const updatePlayAnimationLinkLoop = (link: InteractionLink, loop: boolean) => {
+    if (link.action.type !== "playAnimation") {
+      return;
+    }
+
+    commitInteractionLinkChange(
+      link,
+      createPlayAnimationInteractionLink({
+        id: link.id,
+        sourceEntityId: link.sourceEntityId,
+        trigger: link.trigger,
+        targetModelInstanceId: link.action.targetModelInstanceId,
+        clipName: link.action.clipName,
+        loop
+      }),
+      "Updated play animation loop setting."
+    );
+  };
+
   const handleAddPlayAnimationLink = (sourceEntity: InteractionSourceEntity) => {
     const firstInstance = modelInstanceDisplayList[0];
 

src/document/migrate-scene-document.ts

@@ -904,7 +904,8 @@ function readInteractionLink(value: unknown, label: string): InteractionLink {
         sourceEntityId: expectString(value.sourceEntityId, `${label}.sourceEntityId`),
         trigger,
         targetModelInstanceId: action.targetModelInstanceId,
-        clipName: action.clipName
+        clipName: action.clipName,
+        loop: action.loop
       });
     case "stopAnimation":
       return createStopAnimationInteractionLink({