fix: (MMS-1789) bridge api called when external services disabled (#2…

…9077)

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## **Description**

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also include relevant motivation and context. Have in mind the following
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Bridge API gets called even when all privacy toggles are disabled:

https://bridge.api.cx.metamask.io/getAllFeatureFlags

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## **Related issues**

Fixes: checks if external services are enabled (Basic Functionality
toggle) before calling this API in the useBridging hook.

## **Manual testing steps**

1. Start onboarding through the MetaMask wallet.
2. During onboarding, toggle the security feature 'Basic Functionality'
OFF.
3. Observe network calls to ensure this endpoint is not hit.

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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ui/hooks/bridge/useBridging.ts

@@ -10,6 +10,7 @@ import {
   getIsBridgeEnabled,
   getMetaMetricsId,
   getParticipateInMetaMetrics,
+  getUseExternalServices,
   SwapsEthToken,
   ///: END:ONLY_INCLUDE_IF
 } from '../../selectors';
@@ -45,14 +46,17 @@ const useBridging = () => {
   const isMarketingEnabled = useSelector(getDataCollectionForMarketing);
   const providerConfig = useSelector(getProviderConfig);
   const keyring = useSelector(getCurrentKeyring);
+  const isExternalServicesEnabled = useSelector(getUseExternalServices);
   // @ts-expect-error keyring type is wrong maybe?
   const usingHardwareWallet = isHardwareKeyring(keyring.type);
 
   const isBridgeSupported = useSelector(getIsBridgeEnabled);
   const isBridgeChain = useSelector(getIsBridgeChain);
 
   useEffect(() => {
-    dispatch(setBridgeFeatureFlags());
+    if (isExternalServicesEnabled) {
+      dispatch(setBridgeFeatureFlags());
+    }
   }, [dispatch, setBridgeFeatureFlags]);
 
   const openBridgeExperience = useCallback(