test: the popup boot's stand-in for filterTransactions returns the real shape (closes #429)

The stand-in in tests/support/popupBoot.js returned a bare list, while the
real filterTransactions returns { transactions, newFraudContracts }. Home,
AddressDetail and AddressToken read both fields, so every test boot onto
one of them threw inside its transaction loading, logged loadHomeTxs failed
or loadTransactions failed, and never ran the rest of that code. The
stand-in now returns the real shape, and tests/persistedFieldContract.test.js
boots onto each of the three views and asserts neither message is logged.

Model: opus-5-5

TODO.md

@@ -45,6 +45,16 @@ but the review is broader than any of them.
 
 # Completed Steps
 
+- 2026-10-04: A popup boot in the tests loads transactions without failing
+  ([#429](https://git.eeqj.de/sneak/AutistMask/issues/429)). The stand-in for
+  `filterTransactions` in `tests/support/popupBoot.js` returned a bare list,
+  while the real one returns `{ transactions, newFraudContracts }`, so every
+  boot onto Home, AddressDetail or AddressToken failed inside its transaction
+  loading and logged `loadHomeTxs failed` or `loadTransactions failed`; the rest
+  of that code never ran. The stand-in now returns the real shape, and
+  `tests/persistedFieldContract.test.js` boots onto each of the three and
+  asserts neither message is logged. `make test` time did not change measurably.
+
 - 2026-10-04: The native token's label follows the network
   ([#372](https://git.eeqj.de/sneak/AutistMask/issues/372)). `networks.js` gives
   each network a `nativeCurrency` and nothing read it: every screen wrote `ETH`,