Add closeAppOnActions option to InjectionConfig and Wallet class

- Introduced closeAppOnActions property in InjectionConfig to control app closure behavior.
- Updated defaultInjectionConfig to set closeAppOnActions to true.
- Modified Wallet class to utilize closeAppOnActions when handling actions, ensuring the app closes as intended based on this configuration.

src/types.ts

@@ -10,6 +10,7 @@ export type WalletStorage = Storage;
 export type InjectionConfig = {
     callbackUrl: string;
     connectTimeout?: number;
+    closeAppOnActions?: boolean;
 }
 
 export type WebApp = typeof WebAppConst;