A resource used as styleUrl by one component and templateUrl by another never dispatches the template owner #450

Split out of a Codex review finding on #449. Pre-existing on main — not introduced by that PR.

Symptom

One file serves two decorator roles: component A lists it in styleUrls, component B uses it as templateUrl. Editing the file dispatches angular:component-update for A only. B keeps rendering the old template.

Cause

handleHotUpdate treats the two roles as mutually exclusive branches. isDirectStyle (directStyleUrls.has) selects the style path, and the template-owner loop sits in the else:

edit dual-role file
  └▶ isDirectStyle? ──yes──▶ style path: styleComponentOwners loop  (A dispatched)
                └──no───▶ template path: templateComponentOwners loop  (never reached)

The same fork exists on main before #449: the else held resourceToComponent.get, equally unreachable for a dual-role file. #449 documents this corner but does not change it.

Suggested fix

Run the two owner loops independently instead of forking on isDirectStyle: process style owners when the file is a direct style, AND template owners when it is a direct template. handled semantics and the template self-accept mark need review when both roles fire for one edit.