fix(netstd): late template application is ignored

Xiaoy312 commented 1 day ago

GitHub Issue (If applicable): closes unoplatform/add-private#18

PR Type

What kind of change does this PR introduce?

Bugfix

What is the current behavior?

Setting a value to Control.Template has no effect once the template materialization had occured.

What is the new behavior?

^ no more.

PR Checklist

Please check if your PR fulfills the following requirements:

[ ] Docs have been added/updated which fit documentation template (for bug fixes / features)
[x] Unit Tests and/or UI Tests for the changes have been added (for bug fixes / features) (if applicable)
[ ] Validated PR Screenshots Compare Test Run results.
[x] Contains NO breaking changes
[x] Associated with an issue (GitHub or internal) and uses the automatic close keywords.
[x] Commits must be following the Conventional Commits specification.

Other information

This regression was introduced with the life cycle refactor(ac1b54c35564027bfab3645b674aa905366c5322) that was bundled into templated-parent refactor (#17645).