[Dashboard] Fix padding issue on NFT tab buttons (#5357)

## Problem solved

Short description of the bug fixed or feature added

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## PR-Codex overview
This PR updates the environment configuration and modifies a component in the dashboard application to enhance functionality and maintainability.

### Detailed summary
- Added `ANALYTICS_SERVICE_URL` to the `.env.example` file.
- Updated `REDIS_URL` in the `.env.example` file.
- Refactored the `ButtonGroup` component in `token-id.tsx` to streamline the JSX structure by removing unnecessary line breaks and attributes.

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Author: kien-ngo

apps/dashboard/.env.example

@@ -92,4 +92,6 @@ API_SERVER_SECRET=""
 # Used for the Faucet page (/<chain_id>)
 NEXT_PUBLIC_TURNSTILE_SITE_KEY=""
 TURNSTILE_SECRET_KEY=""
-REDIS_URL=""
+REDIS_URL=""
+
+ANALYTICS_SERVICE_URL=""

apps/dashboard/src/app/(dashboard)/(chain)/[chain_id]/[contractAddress]/nfts/[tokenId]/token-id.tsx

@@ -158,12 +158,7 @@ export const TokenIdPage: React.FC<TokenIdPageProps> = ({
             overflow={{ base: "auto", md: "hidden" }}
             pb={{ base: 4, md: 0 }}
           >
-            <ButtonGroup
-              size="sm"
-              variant="ghost"
-              spacing={2}
-              w={(tabs.length + 1) * 95}
-            >
+            <ButtonGroup size="sm" variant="ghost" spacing={2}>
               <Button
                 type="button"
                 isActive={tab === "Details"}