adjust specialfield type

Author: dashed

src/sentry/static/sentry/app/views/organizationEventsV2/data.tsx

@@ -191,7 +191,7 @@ type SpecialFieldRenderFunc = (
 ) => React.ReactNode;
 
 type SpecialField = {
-  sortField: boolean;
+  sortField: string | null;
   renderFunc: SpecialFieldRenderFunc;
 };
 
@@ -261,7 +261,7 @@ export const SPECIAL_FIELDS: SpecialFields = {
     },
   },
   project: {
-    sortField: false,
+    sortField: null,
     renderFunc: (data, {organization}) => {
       const project = organization.projects.find(p => p.slug === data['project.name']);
       return (