Comments Lost After Wiki Page Moved
### Summary
Comments are not being preserved when Wiki pages are moved, causing users to lose contextual discussions and feedback.
### Steps to Reproduce
1. Create a Wiki page with comments ([as seen in the example where John Hope had added a comment](https://gitlab.slack.com/archives/C04R571QF5E/p1744991905661819))
2. Move that Wiki page to a different location
3. Observe that the comments from the original page are not migrated with the content
### Expected Behavior
Comments should be preserved and migrated alongside their associated Wiki page content when a page is moved to maintain context and prevent loss of valuable discussion.
### Impact
* Loss of important contextual information and discussions
* Extra work required to recreate or track down missing comments
* Potential confusion when referencing previous discussions
### Related Links
* Original comment with todo: https://gitlab.com/groups/gitlab-org/plan-stage/product-planning/-/wikis/Home/Product-Roadmap/Improved-visualizations-and-saved-views#note_...j4644248
* [Slack conversation](https://gitlab.slack.com/archives/C04R571QF5E/p1744991905661819)
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