fix: show user's own address for swap transactions in tx list

For swap/contract interactions, display the user's own (labelled)
address instead of the contract address, so users can see which
of their addresses initiated the swap.

Fixes #55

src/popup/views/addressDetail.js

@@ -187,7 +187,9 @@ function renderTransactions(txs) {
     let i = 0;
     for (const tx of txs) {
         const counterparty =
-            tx.direction === "sent" || tx.direction === "contract"
+            tx.direction === "contract"
+                ? tx.from
+                : tx.direction === "sent"
                   ? tx.to
                   : tx.from;
         const ensName = ensNameMap.get(counterparty) || null;