add source web3auth for mm connector

Author: chaitanyapotti

packages/no-modal/src/connectors/metamask-connector/metamaskConnector.ts

@@ -81,7 +81,7 @@ class MetaMaskConnector extends BaseEvmConnector<void> {
 
     // initialize the MetaMask SDK
     const metamaskOptions = deepmerge(this.metamaskOptions || {}, { dappMetadata: appMetadata });
-    this.metamaskSDK = new MetaMaskSDK(metamaskOptions);
+    this.metamaskSDK = new MetaMaskSDK({ ...metamaskOptions, _source: "web3auth" });
     // Work around: in case there is an existing SDK instance in memory (window.mmsdk exists), it won't initialize the new SDK instance again
     // and return the existing instance instead of undefined (this is an assumption, not sure if it's a bug or feature of the MetaMask SDK)
     const initResult = await this.metamaskSDK.init();