fix: default option tab in docs (#5991)

Author: GiselleNessi

apps/portal/src/app/connect/account-abstraction/erc-20-paymaster/page.mdx

@@ -11,7 +11,7 @@ Configure the Paymaster In your SDK code, specify the ERC-20 token you wish to u
 
 Currently you may use Lisk LSK, Base USDC or Celo CUSD.
 
-<Tabs>
+<Tabs defaultValue="typescript">
 
 <TabsList>
 	<TabsTrigger value="typescript">TypeScript</TabsTrigger>