[BUG] fix coinbase default entry (#1371)

* fix coinbase default entry

* fix typing error and bump the package version

Author: duxiaofeng

packages/coinbase/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@web3-onboard/coinbase",
-  "version": "2.1.3",
+  "version": "2.1.4-alpha.1",
   "description": "Coinbase SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, multi-chain and multi-account support, reactive wallet state subscriptions and real-time transaction state change notifications.",
   "keywords": [
     "Ethereum",

packages/coinbase/src/index.ts

@@ -13,12 +13,22 @@ function coinbaseWallet({
         const [chain] = chains
         const { name, icon } = appMetadata || {}
 
-        const { CoinbaseWalletSDK } = await import('@coinbase/wallet-sdk')
+        // according to https://github.com/wagmi-dev/wagmi/issues/383
+        // @coinbase/wallet-sdk export double default fields
+        // so we need to detect it to get the real constructor
+        const { default: CoinbaseWalletSDK } = await import(
+          '@coinbase/wallet-sdk'
+        )
+        const CoinbaseWalletSDKConstructor = (
+          (CoinbaseWalletSDK as any).default
+            ? (CoinbaseWalletSDK as any).default
+            : CoinbaseWalletSDK
+        ) as typeof CoinbaseWalletSDK
 
         const base64 = window.btoa(icon || '')
         const appLogoUrl = `data:image/svg+xml;base64,${base64}`
 
-        const instance = new CoinbaseWalletSDK({
+        const instance = new CoinbaseWalletSDKConstructor({
           appName: name || '',
           appLogoUrl,
           darkMode