fix warnings

Author: tanguyenvn

packages/adapters/default-evm-adapter/src/injectedEvmAdapter.ts

@@ -112,7 +112,7 @@ class InjectedEvmAdapter extends BaseEvmAdapter<void> {
   async disconnect(options: { cleanup: boolean } = { cleanup: false }): Promise<void> {
     if (!this.injectedProvider) throw WalletLoginError.connectionError("Injected provider is not available");
     await super.disconnectSession();
-    if (typeof this.injectedProvider?.removeAllListeners !== "undefined") this.injectedProvider?.removeAllListeners();
+    if (typeof this.injectedProvider.removeAllListeners !== "undefined") this.injectedProvider.removeAllListeners();
     try {
       await this.injectedProvider.request({
         method: "wallet_revokePermissions",
@@ -135,8 +135,9 @@ class InjectedEvmAdapter extends BaseEvmAdapter<void> {
   }
 
   public async addChain(chainConfig: CustomChainConfig, init = false): Promise<void> {
+    if (!this.injectedProvider) throw WalletLoginError.connectionError("Injected provider is not available");
     super.checkAddChainRequirements(chainConfig, init);
-    await this.injectedProvider?.request({
+    await this.injectedProvider.request({
       method: "wallet_addEthereumChain",
       params: [
         {
@@ -157,8 +158,9 @@ class InjectedEvmAdapter extends BaseEvmAdapter<void> {
   }
 
   public async switchChain(params: { chainId: string }, init = false): Promise<void> {
+    if (!this.injectedProvider) throw WalletLoginError.connectionError("Injected provider is not available");
     super.checkSwitchChainRequirements(params, init);
-    await this.injectedProvider?.request({
+    await this.injectedProvider.request({
       method: "wallet_switchEthereumChain",
       params: [{ chainId: params.chainId }],
     });