Fix claim condition form loading state (#5421)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
This PR updates the conditional rendering logic in the `claim-conditions-form` component to use `claimConditionsQuery.isPending` instead of `isFetchingData`, improving clarity on the loading state of the data.

### Detailed summary
- Changed the condition from `if (isFetchingData)` to `if (claimConditionsQuery.isPending)` in `index.tsx`.

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Author: MananTank

apps/dashboard/src/app/(dashboard)/(chain)/[chain_id]/[contractAddress]/_components/claim-conditions/claim-conditions-form/index.tsx

@@ -454,7 +454,7 @@ export const ClaimConditionsForm: React.FC<ClaimConditionsFormProps> = ({
     };
   }, [claimConditionsQuery.data, controlledFields, isMultiPhase]);
 
-  if (isFetchingData) {
+  if (claimConditionsQuery.isPending) {
     return (
       <div className="flex h-[400px] w-full items-center justify-center rounded-lg border border-border">
         <Spinner className="size-10" />