fix: toggleAmountType handle broken (#6412)

### Description
As per the title.

### Test plan
Works

### Related issues
ENG-170

### Backwards compatibility
Yes

### Network scalability

If a new NetworkId and/or Network are added in the future, the changes
in this PR will:

- [x] Continue to work without code changes, OR trigger a compilation
error (guaranteeing we find it when a new network is added)

src/components/TokenEnterAmount.tsx

@@ -474,7 +474,9 @@ export default function TokenEnterAmount({
               <>
                 {toggleAmountType && (
                   <Touchable
-                    onPress={toggleAmountType}
+                    onPress={() => {
+                      toggleAmountType()
+                    }}
                     style={styles.swapArrowContainer}
                     testID={`${testID}/SwitchTokens`}
                     hitSlop={variables.iconHitslop}