fix: reset swap/bridge state after submission (#15288)

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## **Description**

Resets swap/bridge state upon successful submission of a Solana
swap/bridge.

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also include relevant motivation and context. Have in mind the following
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## **Related issues**

Fixes:

## **Manual testing steps**

1. Go to swap on Solana
2. Submit swap
3. Go back to swap
4. See clean state

## **Screenshots/Recordings**

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### **Before**

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### **After**

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Author: bfullam

app/components/UI/Bridge/Views/BridgeView/index.tsx

@@ -251,6 +251,7 @@ const BridgeView = () => {
       // Necessary because snaps prevents navigation after tx is submitted
       if (isSolanaSwap || isSolanaToEvm) {
         navigation.navigate(Routes.TRANSACTIONS_VIEW);
+        dispatch(setIsSubmittingTx(false));
       }
       await submitBridgeTx({
         quoteResponse: activeQuote,