Revert "Merge topic 'backport-missed-mrs-9.0.3' into release"

This reverts commit 393370ca, reversing changes made to 7862ebd6.

While !6687 (merged) was requested to be backported (and done via !8134 (merged)), it was indicated that #18242 is an outstanding issue about something in the way the backported commit changed event loop logic that causes VTK render windows to not exit properly. Changes with such outstanding, unresolved issues are not eligible for patch releases and as such is being reverted.

---

changed milestone to %9.0.3

Warnings:

• please consider adding a changelog entry in a file ending with .md in Documentation/release/dev.

The warnings do not need to be fixed, but it is recommended to do so.

Do: merge

Errors:

• While processing the merge command: refusing to merge; topic is missing the checks

Do: check

Warnings:

• please consider adding a changelog entry in a file ending with .md in Documentation/release/dev.

The warnings do not need to be fixed, but it is recommended to do so.

Do: merge

mentioned in commit 2088912a

merged