Follow-up to the renderer-dial retry:
- Drop the `!connectionDescriptorResolved` gate so `bootFailureIsRetryable()`
still decides every failure main can see (#82679 contract preserved for
post-descriptor mint failures); the renderer-owned dial is OR'd in as the
one failure main cannot classify. The budget check now short-circuits
before the IPC, as on main.
- Four booleans → one `stage` variable; the `isGatewayReauthRequired` term
is dropped (reauth is raised before the dial stage, so it was unreachable).
- `isGatewayWebSocketUrl` moves to `apps/shared/src/json-rpc-gateway.ts`
and `JsonRpcGatewayClient.connect()` uses it, so the hook's "valid dial"
predicate cannot drift from what `connect()` accepts.
- Tests: keep the three that bind behaviour (first dial retries under a
stale ready snapshot; invalid URL terminal; post-connect failure
terminal), drop the four that pinned the removed gate or duplicated the
existing #82679 bound test. 46/46 green; reverting the hook to main makes
the retry test fail.
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