fix(ENG-12551): fix COOP detection race condition and empty response parsing

src/modules/integration-picker/hooks/useIntegrationPicker.ts

@@ -603,7 +603,7 @@ export const useIntegrationPicker = ({
 
             window.removeEventListener('message', processMessageCallback, false);
 
-            if (coopDetectedRef.current && pollingIntervalRef.current) return;
+            if (pollingIntervalRef.current) return;
 
             const connectionAttemptId = connectionAttemptIdRef.current;
             teardownOAuth();

src/shared/components/loading.tsx

@@ -19,7 +19,7 @@ export const Loading: React.FC<{
 
     useEffect(() => {
         if (!onCancel) return;
-        timerRef.current = setTimeout(() => setShowCancel(true), 8000);
+        timerRef.current = setTimeout(() => setShowCancel(true), 5000);
         return () => {
             if (timerRef.current) clearTimeout(timerRef.current);
         };

src/shared/httpClient.ts

@@ -54,7 +54,9 @@ export async function request<T>({
                 }
             }
 
-            return (await response.json()) as T;
+            const text = await response.text();
+            if (!text) return null;
+            return JSON.parse(text) as T;
         }
     } catch (error) {
         logger.error(`Error making request to ${url}`, error);