feat: Delete Answer and Relevant from RestrictedUpstreamMap of Switch #1739 (#2039)

### What problem does this PR solve?

feat: Delete Answer and Relevant from RestrictedUpstreamMap of Switch
#1739

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/flow/utils.ts

@@ -232,5 +232,5 @@ export const getOtherFieldValues = (
     );
 
 export const generateSwitchHandleText = (idx: number) => {
-  return `Item ${idx + 1}`;
+  return `Case ${idx + 1}`;
 };