[MNY-316] SDK: directly show token selection after wallet connection in bridge widgets (#8580)

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## PR-Codex overview
This PR modifies the behavior of the wallet connection process in the `WalletSwitcherConnectionScreen`. After a wallet is connected, it skips the "Choose Payment" screen and directly moves to the token selection screen, enhancing user experience in bridge widgets.

### Detailed summary
- Updated the `onConnect` function to remove the call to `props.onBack()`, preventing the return to the "Choose Payment" screen.
- Changed the flow to directly transition to the token selection screen after wallet connection.

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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

* **Bug Fixes**
  * Improved wallet connection flow in bridge widgets. After connecting a wallet on the Choose Payment screen, users are now directed directly to token selection instead of returning to the payment screen.

<sub>✏️ Tip: You can customize this high-level summary in your review settings.</sub>

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Author: MananTank

.changeset/heavy-clowns-stay.md

@@ -0,0 +1,5 @@
+---
+"thirdweb": patch
+---
+
+Move directly to token selection screen after connecting wallet in "Choose Payment" screen instead of showing the "Choose Payment" screen again after connecting wallet in bridge widgets

packages/thirdweb/src/react/web/ui/ConnectWallet/screens/WalletSwitcherConnectionScreen.tsx

@@ -70,7 +70,6 @@ export function WalletSwitcherConnectionScreen(
       onClose={() => {}}
       onConnect={(w) => {
         props.onSelect(w);
-        props.onBack();
       }}
       recommendedWallets={props.recommendedWallets}
       screenSetup={screenSetup}