Catch xlsx error (#1487)

* catch potential xlsx errors

* clear worksheet errors when starting new connections

apps/client/src/features/app-settings/panel/sources-panel/GSheetSetup.tsx

@@ -76,6 +76,7 @@ export default function GSheetSetup(props: GSheetSetupProps) {
   const handleConnect = async () => {
     if (!file) return;
     if (!sheetId) return;
+    patchStepData({ worksheet: { available: false, error: '' } });
 
     setLoading('connect');
     const result = await connect(file, sheetId);