chore: set USE_BITCOIN_NETWORK_SWITCHING to true (#1930)

Author: wklos-iohk

apps/browser-extension-wallet/.env.defaults

@@ -12,7 +12,7 @@ SAVED_PRICE_DURATION_IN_MINUTES=720
 WALLET_POLLING_INTERVAL_IN_SEC=60
 
 # Feature Flags
-USE_BITCOIN_NETWORK_SWITCHING=false
+USE_BITCOIN_NETWORK_SWITCHING=true
 USE_PASSWORD_VERIFICATION=false
 USE_DAPP_CONNECTOR=true
 USE_TREZOR_HW=true