[Update] Refine credit display and expiration handling in billing (#4297

)

## Problem solved

Short description of the bug fixed or feature added

<!-- start pr-codex -->

---

## PR-Codex overview
This PR updates the logic for checking active credits and improves the display of claimed and expiration information in the CreditsItem component.

### Detailed summary
- Improved logic for checking active credits in `useApi.ts`
- Updated display of claimed credits and expiration information in `CreditsItem.tsx`

> ✨ Ask PR-Codex anything about this PR by commenting with `/codex {your question}`

<!-- end pr-codex -->

apps/dashboard/src/@3rdweb-sdk/react/hooks/useApi.ts

@@ -338,7 +338,7 @@ export function useAccountCredits() {
       const credits = (json.data as BillingCredit[]).filter(
         (credit) =>
           credit.remainingValueUsdCents > 0 &&
-          credit.expiresAt > new Date().toISOString() &&
+          (!credit.expiresAt || credit.expiresAt > new Date().toISOString()) &&
           credit.isActive,
       );
 

apps/dashboard/src/components/settings/Account/Billing/CreditsItem.tsx

@@ -97,22 +97,26 @@ export const CreditsItem: React.FC<CreditsItemProps> = ({
               {formatToDollars(credit?.remainingValueUsdCents || 0)}
             </Text>
           </Flex>
-          <Flex flexDir="column" gap={1}>
-            <Text>Claimed Credits (All-Time)</Text>
-            <Text color="bgBlack">
-              {formatToDollars(credit?.originalGrantUsdCents || 0)}
-            </Text>
-          </Flex>
-          <Flex flexDir="column" gap={1}>
-            <Text>Expires</Text>
-            <Text color="bgBlack" textTransform="capitalize">
-              {credit?.expiresAt
-                ? formatDistance(new Date(credit.expiresAt), Date.now(), {
-                    addSuffix: true,
-                  })
-                : "N/A"}
-            </Text>
-          </Flex>
+          {!isTwCredit && (
+            <Flex flexDir="column" gap={1}>
+              <Text>Claimed Credits (All-Time)</Text>
+              <Text color="bgBlack">
+                {formatToDollars(credit?.originalGrantUsdCents || 0)}
+              </Text>
+            </Flex>
+          )}
+          {credit?.expiresAt && (
+            <Flex flexDir="column" gap={1}>
+              <Text>Expires</Text>
+              <Text color="bgBlack" textTransform="capitalize">
+                {credit?.expiresAt
+                  ? formatDistance(new Date(credit.expiresAt), Date.now(), {
+                      addSuffix: true,
+                    })
+                  : "N/A"}
+              </Text>
+            </Flex>
+          )}
         </Flex>
         {hasAppliedForOpGrant && !credit && isOpCredit && (
           <Alert