fix: a popup reload no longer logs the requests it cancels on most screens (closes #475)

The transaction lists and ENS name lookups on the address and token
screens, the address scan after a wallet is created, the endpoint checks
in Settings, the wait screen's receipt check, the Send screen's Max fee
estimate and the token lookup on both add-token screens now check the
signal the popup aborts on pagehide before reporting a failed request.
scanForAddresses(), resolveEnsNames() and lookupTokenInfo() take the
signal.

End-to-end tests reload the popup on the address screen and during the
address scan with their requests held. Jest tests show each of these
reports a real failure and stays silent once the popup has closed. The
transaction detail and confirmation screens are left out: they discard
the popup context that carries the signal.

Model: opus-5-5

TODO.md

@@ -45,6 +45,22 @@ but the review is broader than any of them.
 
 # Completed Steps
 
+- 2026-10-06: Reloading or closing the popup no longer logs a request it cancels
+  as a failure in the transaction lists and ENS name lookups on the address and
+  token screens, the address scan after a wallet is created, the endpoint checks
+  in Settings, the wait screen's receipt check, the Send screen's Max fee
+  estimate, or the token lookup on the two add-token screens
+  ([#475](https://git.eeqj.de/sneak/AutistMask/issues/475)). Each checks the
+  signal the popup aborts on `pagehide`
+  ([#218](https://git.eeqj.de/sneak/AutistMask/issues/218)) before reporting a
+  failure; a real failure is still logged. `scanForAddresses()`,
+  `resolveEnsNames()` and `lookupTokenInfo()` take the signal. The e2e suite
+  reloads the popup on the address screen with Blockscout held, and during the
+  address scan with that scan held; jest tests cover each of these with the
+  popup open and closed. Left out: the transaction detail screen and the
+  confirmation screen (its fee estimate and its recipient checks), because they
+  discard the popup context that carries the signal.
+
 - 2026-10-06: The private key export screen opens again in the same popup
   session ([#460](https://git.eeqj.de/sneak/AutistMask/issues/460)). `show()`
   found the address line through the element inside it, which its own rendering