## Bug
Renaming the **trigger** step from the workflow side panel fails with:
> Updating a workflowVersion through the generic mutation is restricted.
steps, trigger, status, position, workflowId and coreWorkflowVersionId
cannot be changed...
Renaming a **regular** step works, which is why this is easy to miss:
only the trigger branch is broken.
## Cause
This is a regression from #23207. That PR added the server-side denylist
on `updateOneWorkflowVersion` and switched
`useUpdateWorkflowVersionTrigger` to the dedicated
`updateWorkflowVersionTrigger` mutation, but missed the call site in
`SidePanelWorkflowStepInfo`, which still did:
```ts
if (isTrigger) {
await updateOneWorkflowVersion({ // generic mutation, sends `trigger`
updateOneRecordInput: { trigger: { ...stepDefinition.definition, name: title } },
});
} else {
await updateWorkflowVersionStep({ ... }); // dedicated, unaffected
}
```
The observed request confirms it: `UpdateOneWorkflowVersion` with
`input.trigger`.
## Fix
Route the trigger branch through `updateTrigger`, which already resolves
the draft version, calls the dedicated mutation, marks the step for
recomputation and updates the cache.
`useUpdateWorkflowVersionTrigger` now accepts an **optional**
`instanceId`. This matters here: the side panel computes the visualizer
instance id explicitly (it already passes it to
`useGetUpdatableWorkflowVersionOrThrow`), and without it the hook would
resolve the updatable version from a different component instance. Being
optional, the four existing callers are unaffected.
Also removes the now-redundant `getUpdatableWorkflowVersion()` call on
the trigger path, so a rename no longer risks resolving the draft twice.
## Verification
- `nx typecheck twenty-front` green
- `oxfmt` + `oxlint --type-aware` green on both changed files
- `useUpdateWorkflowVersionTrigger` unit tests green (2/2)
- Not yet clicked through locally; the reporter hit this on a dev
instance and can confirm the rename now succeeds
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Thomas Trompette
b6a4c635ee
