fix parsing

packages/slackbot-proxy/src/services/growi-uri-injector/ViewInteractionPayloadDelegator.ts

@@ -37,7 +37,7 @@ export class ViewInteractionPayloadDelegator implements GrowiUriInjector<ViewEle
   extract(data: ViewInteractionPayload): GrowiUriWithOriginalData {
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
     const restoredData: GrowiUriWithOriginalData = JSON.parse(data.view.private_metadata!); // private_metadata must not be null at this moment
-    data.view.private_metadata = JSON.parse(restoredData.originalData);
+    data.view.private_metadata = restoredData.originalData;
 
     return restoredData;
   }

packages/slackbot-proxy/src/services/growi-uri-injector/block-elements/ButtonActionPayloadDelegator.ts

@@ -24,7 +24,7 @@ export class ButtonActionPayloadDelegator implements GrowiUriInjector<{type: str
   extract(action: {type: string, value: string}): GrowiUriWithOriginalData {
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
     const restoredData: GrowiUriWithOriginalData = JSON.parse(action.value);
-    action.value = JSON.parse(restoredData.originalData);
+    action.value = restoredData.originalData;
 
     return restoredData;
   }