Fixes LL-807

The previous code was actually incorrect, we also proved the fix works on mobile, as we already have that code from the start: ebc9f9af8a/src/libcore/signAndBroadcast.js (L143)

src/commands/libcoreSignAndBroadcast.js

@@ -129,7 +129,7 @@ async function signTransaction({
       const hexPreviousTransaction = Buffer.from(rawPreviousTransaction).toString('hex')
       const previousTransaction = hwApp.splitTransaction(
         hexPreviousTransaction,
-        true, // set to true allow both segwit AND non-segwit
+        currency.supportsSegwit,
         hasTimestamp,
         hasExtraData,
         additionals,